About the Authors:
Emily D. Crawford
Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Department of Microbiology and Immunology, San Francisco, California, United States of America
Irene Acosta
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Vida Ahyong
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Erika C. Anderson
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Shaun Arevalo
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Daniel Asarnow
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Shannon Axelrod
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Patrick Ayscue
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Camillia S. Azimi
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Caleigh M. Azumaya
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Stefanie Bachl
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Iris Bachmutsky
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Aparna Bhaduri
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Jeremy Bancroft Brown
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Joshua Batson
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Astrid Behnert
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Ryan M. Boileau
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Saumya R. Bollam
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Alain R. Bonny
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
David Booth
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Michael Jerico B. Borja
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
David Brown
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Bryan Buie
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Cassandra E. Burnett
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Lauren E. Byrnes
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Katelyn A. Cabral
Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, University of California San Francisco, Institute for Neurodegenerative Diseases, San Francisco, California, United States of America
Joana P. Cabrera
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Saharai Caldera
Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Division of Infectious Disease, San Francisco, California, United States of America
Gabriela Canales
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Gloria R. Castañeda
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Agnes Protacio Chan
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Christopher R. Chang
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Arthur Charles-Orszag
Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America
Carly Cheung
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Unseng Chio
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Eric D. Chow
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Y. Rose Citron
Affiliation: University of California, Berkeley, California, United States of America
Allison Cohen
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Lillian B. Cohn
Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Department of Experimental Medicine, San Francisco, California, United States of America
Charles Chiu
Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America
Mitchel A. Cole
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Daniel N. Conrad
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Angela Constantino
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Andrew Cote
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Tre’Jon Crayton-Hall
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Spyros Darmanis
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Angela M. Detweiler
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Rebekah L. Dial
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Shen Dong
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Elias M. Duarte
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
David Dynerman
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Rebecca Egger
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Alison Fanton
Affiliation: University of California, Berkeley, California, United States of America
Stacey M. Frumm
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Becky Xu Hua Fu
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Valentina E. Garcia
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Julie Garcia
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Christina Gladkova
Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America
Miriam Goldman
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Rafael Gomez-Sjoberg
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
M. Grace Gordon
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
James C. R. Grove
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Shweta Gupta
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Alexis Haddjeri-Hopkins
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Pierce Hadley
Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, University of California San Francisco, Institute for Neurodegenerative Diseases, San Francisco, California, United States of America
John Haliburton
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Samantha L. Hao
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
George Hartoularos
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Nadia Herrera
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Melissa Hilberg
Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America
Kit Ying E. Ho
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Nicholas Hoppe
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Shayan Hosseinzadeh
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Conor J. Howard
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Jeffrey A. Hussmann
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Elizabeth Hwang
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Danielle Ingebrigtsen
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Julia R. Jackson
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Ziad M. Jowhar
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Danielle Kain
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
James Y. S. Kim
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Amy Kistler
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Oriana Kreutzfeld
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Jessie Kulsuptrakul
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Andrew F. Kung
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Charles Langelier
Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Division of Infectious Disease, San Francisco, California, United States of America
Matthew T. Laurie
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Lena Lee
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Kun Leng
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Kristoffer E. Leon
Affiliation: Gladstone Institute, San Francisco, California, United States of America
Manuel D. Leonetti
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Sophia R. Levan
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Sam Li
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Aileen W. Li
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Jamin Liu
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Heidi S. Lubin
Affiliation: eSix Development, Oakland, California, United States of America
Amy Lyden
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Jennifer Mann
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Sabrina Mann
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Gorica Margulis
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Diana M. Marquez
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Bryan P. Marsh
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Calla Martyn
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Elizabeth E. McCarthy
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Aaron McGeever
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Alexander F. Merriman
Affiliation: Gladstone Institute, San Francisco, California, United States of America
Lauren K. Meyer
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Steve Miller
Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America
Megan K. Moore
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Cody T. Mowery
Affiliation: Gladstone Institute, San Francisco, California, United States of America
Tanzila Mukhtar
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Lusajo L. Mwakibete
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Noelle Narez
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Norma F. Neff
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Lindsay A. Osso
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Diter Oviedo
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Suping Peng
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Maira Phelps
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Kiet Phong
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Peter Picard
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Lindsey M. Pieper
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Neha Pincha
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Angela Oliveira Pisco
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Angela Pogson
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Sergei Pourmal
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Robert R. Puccinelli
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Andreas S. Puschnik
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Elze Rackaityte
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Preethi Raghavan
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Madhura Raghavan
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
James Reese
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Joseph M. Replogle
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Hanna Retallack
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Helen Reyes
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Donald Rose
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Marci F. Rosenberg
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Estella Sanchez-Guerrero
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Sydney M. Sattler
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Laura Savy
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Stephanie K. See
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Kristin K. Sellers
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Paula Hayakawa Serpa
Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Division of Infectious Disease, San Francisco, California, United States of America
Maureen Sheehy
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Jonathan Sheu
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Sukrit Silas
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Jessica A. Streithorst
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Jack Strickland
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Doug Stryke
Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America
Sara Sunshine
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Peter Suslow
Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America
Renaldo Sutanto
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Serena Tamura
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Michelle Tan
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Jiongyi Tan
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Alice Tang
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Cristina M. Tato
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Jack C. Taylor
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Iliana Tenvooren
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Erin M. Thompson
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Edward C. Thornborrow
Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America
Eric Tse
Affiliation: Joint Bioengineering Graduate Program, University of California, Berkeley, California, United States of America
Tony Tung
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Marc L. Turner
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Victoria S. Turner
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Rigney E. Turnham
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Mary J. Turocy
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Trisha V. Vaidyanathan
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Ilia D. Vainchtein
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Manu Vanaerschot
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Sara E. Vazquez
Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
Anica M. Wandler
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Anne Wapniarski
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
James T. Webber
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Zara Y. Weinberg
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Alexandra Westbrook
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Allison W. Wong
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Emily Wong
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Gajus Worthington
Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America
Fang Xie
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Albert Xu
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Terrina Yamamoto
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Ying Yang
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Fauna Yarza
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Yefim Zaltsman
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Tina Zheng
Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America
Joseph L. DeRisi
* E-mail: [email protected]
Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America
ORCID logo https://orcid.org/0000-0002-4611-9205
Citation: Crawford ED, Acosta I, Ahyong V, Anderson EC, Arevalo S, Asarnow D, et al. (2020) Rapid deployment of SARS-CoV-2 testing: The CLIAHUB. PLoS Pathog 16(10): e1008966. https://doi.org/10.1371/journal.ppat.1008966
Editor: Carolyn B. Coyne, University of Pittsburgh, UNITED STATES
Published: October 28, 2020
Copyright: © 2020 Crawford et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Funding: This work was funded by the Chan Zuckerberg Biohub and the Chan Zuckerberg Initiative.
Competing interests: The authors have declared that no competing interests exist.
Accurate diagnostic testing is at the center of controlling infectious disease outbreaks. It allows clinicians and public health practitioners to identify and treat infected individuals as well as inform larger public health interventions (such as quarantine) to prevent new infections. The emergence of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)/Coronavirus Disease 2019 (COVID-19) pandemic in the human population in November 2019 has spotlighted the importance of diagnostic testing as a (foundational) bedrock to understand how infections occur and spread. Remarkably, multiple studies now show that asymptomatic and presymptomatic individuals are drivers of community transmission [1]. Thus, broad testing capability is necessary to quell resurgence of outbreaks and reopen the global economy.
Laboratory barriers to testing include the limited availability of space, high-capital infrastructure (robotics and information systems), material resources with uninterrupted supply chains, and trained personnel qualified to conduct assays in Clinical Laboratory Improvement Amendment (CLIA)-approved laboratories. However, sizable untapped capacity exists throughout the United States in a multitude of university research laboratories. Theoretically, this capacity could be directed to rapidly expand emergency response capabilities; however, real barriers exist to their entry into clinical diagnostic testing. Research laboratories—while working with the same suite of methods and from the same biological principles as clinical diagnostic laboratories—have substantively different workflows, expectations of quality control and validation, information management, documentation, traceability, reporting, and regulatory compliance. For research scientists, this burden may appear extremely formidable.
To address the dearth of testing availability in the San Francisco Bay Area, the Chan Zuckerberg Biohub, in partnership with the University of California, San Francisco (UCSF) Clinical Microbiology Lab, rapidly built and deployed an emergency COVID-19 viral testing facility, staffed by a combination of Biohub employees and UCSF graduate students, postdocs, and faculty. These efforts were facilitated by guidance from the Food and Drug Administration (FDA) on February 29, 2020, “Policy for Coronavirus Disease-2019 Tests During the Public Health Emergency” [2], and an Executive Order (March 12, 2020) from California State Governor Gavin Newsom modifying certain California-specific regulatory personnel requirements [3]. The goal of this facility, called the “CLIAHUB,” was to provide free, rapid, high-capacity testing services to local hospitals, Department of Public Health offices, and community-based clinical screening efforts in the San Francisco Bay Area, with a particular emphasis on underserved populations. In this perspective piece, and in the accompanying document [4], we describe in detail the experiences of the Biohub, including our organizational structure, recruitment and training of highly skilled volunteers, automation, information management, engineering, protocol development, and clinical validation. We share the lessons we learned and offer guidance to other research laboratories pursuing rapid expansion of diagnostic capabilities in the context of emergency response for COVID-19 and future pandemic responses.
The Chan Zuckerberg Biohub is a nonprofit research institute that employs approximately 110 people organized into multiple smaller research groups, with nearly half of the staff focused on infectious disease research. The organization’s strong focus on collaborative work, communication, and open science allowed frictionless redistribution of personnel priorities into COVID-19 work. On March 12, 2020, the Biohub’s COVID-19 response staff was organized into 13 work teams (staff members from various research groups and seniority levels were appointed as Team Leads and Backup Team Leads according to their skills and experience). To ensure continuity in the event of an outbreak, laboratory infection control procedures were developed, and all job functions and critical knowledge were held by at least 2 individuals. Communications were facilitated by daily all-hands meetings and dedicated Slack channels. Once clinical testing was underway, volunteers from UCSF were trained to run the assay and organized into 4 nonoverlapping squads to reduce viral transmission risk.
Clinical laboratories are required to meet all applicable federal, state, and local regulations in order to perform patient testing and have to be certified with their state and the Center for Medicare and Medicaid Services (CMS) under CLIA. These regulations specify the laboratory organizational structure and minimum operational standards, with major areas covering the laboratory environment, staffing roles and requirements, information tracking and management, testing validation and procedures, quality assurance, and proficiency testing. Each of these areas had to be addressed with compliance documentation as the CLIAHUB was formed. Ensuring regulatory compliance required close collaboration between the CLIA laboratory director, microbiology section director, and clinical quality assurance and Biohub laboratory lead staff. Since the CLIA laboratory director is ultimately responsible for the operations and quality of test results reported by the laboratory, the importance of this close partnership between the UCSF clinical laboratory and the Biohub cannot be overstated.
The complete CLIAHUB workflow is detailed in Fig 1B and the linked document. Briefly, the CLIAHUB workflow begins with medical courier or shipping company delivered patient samples (nasopharyngeal (NP) or oropharyngeal (OP) swabs). In order to preserve RNA integrity and maximize sensitivity, DNA/RNA Shield was chosen for the transport media. After receipt, patient information was recorded (“accessioned”), and tubes were barcoded, de-swabbed, and queued for transfer into 96 well plates. Transfer from tubes to plates was achieved using both do-it-yourself (“DYI”) engineered and commercial automated solutions. Eight stations using high-speed liquid handlers were used to extract viral RNA, after which reverse transcription polymerase chain reaction (RT-PCR) was run using probes for both the N and E gene of SARS-CoV-2. All reagents and samples were tracked using a custom serverless laboratory information system (LIS). After assay optimization, limit of detection (LOD) was established by serial dilution of a quantified high-titer patient sample, and validation of the assay for the Emergency Use Authorization (EUA) application was achieved by retesting samples previously identified as positive or negative based on a previously approved assay at the UCSF clinical lab.
[Figure omitted. See PDF.]
Fig 1.
(A) Counties served by CLIAHUB and the growth of testing volume over the first 120 days of operation. The most frequent users of testing at CLIAHUB were the surrounding Bay Area counties; however, outlying areas, such as Placer and Lassen, were also frequent users despite the distance. (B) CLIAHUB testing workflow and approximate timing are shown on normalized to a single sample, for preanalytical (blue), analytical (red), and postanalytical (green/yellow). The time to process a batch of 84 samples was approximately 6.7 h, including preanalytical and postanalytical steps. Median TAT was 24 h, highlighting the variability in extrinsic factors not under laboratory control, such as medical courier delivery times. qPCR, quantitative polymerase chain reaction; TAT, turnaround time.
https://doi.org/10.1371/journal.ppat.1008966.g001
On March 20, 2020, 8 days after starting this project, the CLIAHUB returned its first clinical result. As of this writing (October 17, 2020), the CLIAHUB has returned 151,795 clinical results. A total of 36 California county Department of Public Health (“DPH”), safety net hospitals, jails, skilled nursing facilities, and public clinics have utilized the CLIAHUB for SARS-CoV-2 testing (Fig 1), in addition to community-based studies. In the period from May 8 to June 8, 2020, the CLIAHUB processed over 1,300 samples on average per day. The maximum number of samples processed in a single day was 2,688. Median turnaround time (TAT) was 24 h. For genomic epidemiology, positive samples were routed for full SARS-CoV-2 genome sequencing [1]. While the samples processed by CLIAHUB were heterogeneous and not representative of the general population, several important characteristics of the disease and the test were notable. A broad range of cycle threshold (Ct) values have been observed (from 7 to 45), indicative of a tremendous range of viral loads within this disease. Samples were considered positive if the Ct for both the N and E gene probes were less than 40 for the original standard operating procedure (SOP). If a sample was positive for 1 of the 2 probes, the result was considered indeterminant. In subsequent iterations of the protocol, samples were considered positive if either of the 2 probes were below a Ct of 40. While there was an excellent agreement between both viral probes, in 9% of cases, only 1 of the 2 probes were detected, suggesting that assays that rely on detection of a single gene alone may have a significant false negative rate (Fig 2).
[Figure omitted. See PDF.]
Fig 2. Concordance between RT-PCR Ct values for the E and N gene probes.
For 91% of samples, agreement between viral gene probe sets were within 5 Ct cycles, with the majority within 2 cycles. For 9% of samples, only 1 gene was detected (5% E gene only, 4% N gene only), leading to an indeterminate result. In all such cases, the sample extraction and RT-PCR was repeated; points plotted represent the retest result. Ct, cycle threshold; ND not detected; RT-PCR, reverse transcription polymerase chain reaction.
https://doi.org/10.1371/journal.ppat.1008966.g002
The largest users of CLIAHUB testing capacity have been Bay Area and outlying county DPHs, including San Mateo, Marin, Alameda, Placer, Tehama, Santa Clara, and Sonoma counties. Feedback from individual counties indicated that access to free and fast testing allowed insight into at-risk populations, which, in turn, led to deployment of medical personnel. In the case of congregate care facilities, intervention and stabilization avoided evacuation of residents to local hospitals. The CLIAHUB also directly enabled community-based studies in the town of Bolinas, the Mission District, and Bayview Hunters Point neighborhoods of San Francisco, and a study of unsheltered persons [1]. These studies provided both clinically actionable results for individuals and communities, in addition to valuable insight about the socioeconomics and demographics of populations that were disproportionately affected. Altogether, the experience of CLIAHUB demonstrates that research facilities can indeed be converted to clinical testing laboratories during a pandemic emergency declaration that are capable of returning high-quality and timely clinical results in order to meet the challenge of a growing pandemic. We hope that the accompanying “How to” document, protocols, and engineering details (dx.doi.org/10.17504/protocols.io.bfi2jkge) will serve as a guide for others in the midst of this or any other future pandemic.
Citation: Crawford ED, Acosta I, Ahyong V, Anderson EC, Arevalo S, Asarnow D, et al. (2020) Rapid deployment of SARS-CoV-2 testing: The CLIAHUB. PLoS Pathog 16(10): e1008966. https://doi.org/10.1371/journal.ppat.1008966
1. Chamie G, Marquez C, Crawford E, Peng J, Petersen M, Schwab D, et al. SARS-CoV-2 Community Transmission disproportionately affects Latinx population during Shelter-in-Place in San Francisco. Clin Infect Dis. 2020. pmid:32821935
2. Coronavirus (COVID-19) Update: FDA Issues New Policy to Help Expedite Availability of Diagnostics. U.S. Food & Drug Administration; 2020. https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-fda-issues-new-policy-help-expedite-availability-diagnostics
3. State of California ED. Executive Order N-25-20. https://www.gov.ca.gov/wp-content/uploads/2020/03/3.12.20-EO-N-25-20-COVID-19.pdf
4. Lyden A, Crawford E, Ahyong V, Vanaerschot M, Hayakawa Serpa P, Raghavan P, et al. CLIAHUB Automated RNA Extraction & RT-PCR Protocol V2. https://www.protocols.io/view/cliahub-automated-rna-extraction-amp-rt-pcr-protoc-bfi2jkge/abstract
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Abstract
About the Authors: Emily D. Crawford Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Department of Microbiology and Immunology, San Francisco, California, United States of America Irene Acosta Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Vida Ahyong Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Erika C. Anderson Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Shaun Arevalo Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Daniel Asarnow Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Shannon Axelrod Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Patrick Ayscue Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Camillia S. Azimi Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Caleigh M. Azumaya Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Stefanie Bachl Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Iris Bachmutsky Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Aparna Bhaduri Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Jeremy Bancroft Brown Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Joshua Batson Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Astrid Behnert Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Ryan M. Boileau Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Saumya R. Bollam Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Alain R. Bonny Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America David Booth Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America Michael Jerico B. Borja Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America David Brown Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Bryan Buie Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Cassandra E. Burnett Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Lauren E. Byrnes Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Katelyn A. Cabral Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, University of California San Francisco, Institute for Neurodegenerative Diseases, San Francisco, California, United States of America Joana P. Cabrera Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Saharai Caldera Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Division of Infectious Disease, San Francisco, California, United States of America Gabriela Canales Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Gloria R. Castañeda Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Agnes Protacio Chan Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Christopher R. Chang Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Arthur Charles-Orszag Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America Carly Cheung Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Unseng Chio Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Eric D. Chow Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America Y. Rose Citron Affiliation: University of California, Berkeley, California, United States of America Allison Cohen Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Lillian B. Cohn Affiliations Chan Zuckerberg Biohub, San Francisco, California, United States of America, University of California San Francisco, Department of Experimental Medicine, San Francisco, California, United States of America Charles Chiu Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America Mitchel A. Cole Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Daniel N. Conrad Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Angela Constantino Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Andrew Cote Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Tre’Jon Crayton-Hall Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Spyros Darmanis Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Angela M. Detweiler Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Rebekah L. Dial Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America Shen Dong Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Elias M. Duarte Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America David Dynerman Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Rebecca Egger Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Alison Fanton Affiliation: University of California, Berkeley, California, United States of America Stacey M. Frumm Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Becky Xu Hua Fu Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Valentina E. Garcia Affiliation: University of California San Francisco, Department of Biochemistry and Biophysics, San Francisco, California, United States of America Julie Garcia Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Christina Gladkova Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America Miriam Goldman Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Rafael Gomez-Sjoberg Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America M. Grace Gordon Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America James C. R. Grove Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Shweta Gupta Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Alexis Haddjeri-Hopkins Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Pierce Hadley Affiliations University of California San Francisco, School of Medicine, San Francisco, California, United States of America, University of California San Francisco, Institute for Neurodegenerative Diseases, San Francisco, California, United States of America John Haliburton Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Samantha L. Hao Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America George Hartoularos Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Nadia Herrera Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Melissa Hilberg Affiliation: University of California San Francisco, Department of Laboratory Medicine, San Francisco, California, United States of America Kit Ying E. Ho Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Nicholas Hoppe Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Shayan Hosseinzadeh Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Conor J. Howard Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Jeffrey A. Hussmann Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Elizabeth Hwang Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Danielle Ingebrigtsen Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Julia R. Jackson Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Ziad M. Jowhar Affiliation: University of California San Francisco, School of Medicine, San Francisco, California, United States of America Danielle Kain Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America James Y. S. Kim Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Amy Kistler Affiliation: Chan Zuckerberg Biohub, San Francisco, California, United States of America Oriana Kreutzfeld Affiliation: University of California San
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