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© 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

Since the beginning of December 2022, an unusually high number of cases and deaths of Group A Streptococcus (GAS) infections has been reported in many European countries. GAS infection frequently causes mild diseases such as pharyngitis, tonsillitis, impetigo, cellulitis, and scarlet fever. However, in rare instances, GAS infection can lead to invasive, life-threatening conditions like necrotizing fasciitis and toxic shock syndrome, which are associated with high mortality. The aim of the study was to present the clinical course of invasive Streptococcus pyogenes infections and to highlight the increase in the incidence of severe infections of this etiology, similar to trends observed in other European countries. The study included 11 patients with severe, invasive infections caused by S. pyogenes accompanied by sepsis or septic shock, treated at the 4th Clinical Military Hospital in Wroclaw between December 2022 and May 2023. Among 11 patients, 6 had streptococcal skin and soft tissue infections, 3 had pneumonia caused by S. pyogenes, 1 had streptococcal otitis, and 1 had a knee joint infection. Nine developed septic shock, and three died from fulminant streptococcal toxic shock syndrome (STSS). Physicians should be aware of the increased prevalence of invasive GAS (iGAS) infections; timely diagnosis and effective treatment are crucial to reducing the risk of severe complications, including death.

Details

Title
Old Bug—New Challenges After COVID-19 Pandemic: Severe Invasive Streptococcus pyogenes Infections in Adults—A Single-Center Experience in Poland
Author
Leśnik, Patrycja 1   VIAFID ORCID Logo  ; Janc, Jarosław 2 ; Biała, Martyna 3 ; Bartoszewicz, Marzenna 4   VIAFID ORCID Logo  ; Łysenko, Lidia 5 ; Słabisz, Natalia 6   VIAFID ORCID Logo 

 Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, 50-368 Wroclaw, Poland 
 Department of Anesthesiology and Intensive Therapy, Hospital of the Ministry of the Interior and Administration, 50-233 Wroclaw, Poland; [email protected] 
 Department of Infectious Diseases, Liver Diseases and Acquired Immune Deficiencies, Faculty of Medicine, Wroclaw Medical University, 51-149 Wroclaw, Poland; [email protected] 
 Department of Pharmaceutical Microbiology and Parasitology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland; [email protected] 
 Department of Anesthesiology and Intensive Therapy, Faculty of Medicine, Wroclaw Medical University, 50-556 Wroclaw, Poland; [email protected] 
 Department of Laboratory Diagnostics, 4th Military Clinical Hospital in Wroclaw, 50-981 Wroclaw, Poland; [email protected] 
First page
199
Publication year
2025
Publication date
2025
Publisher
MDPI AG
e-ISSN
20760817
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
3171167124
Copyright
© 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.