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Abstract
To date, the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has determined 399,600,607 cases and 5,757,562 deaths worldwide. COVID-19 is a serious threat to human health globally. The World Health Organization (WHO) has declared COVID-19 pandemic a major public health emergency. Vaccination is the most effective and economical intervention for controlling the spread of epidemics, and consequently saving lives and protecting the health of the population. Various techniques have been employed in the development of COVID-19 vaccines. Among these, the COVID-19 messenger RNA (mRNA) vaccine has been drawing increasing attention owing to its great application prospects and advantages, which include short development cycle, easy industrialization, simple production process, flexibility to respond to new variants, and the capacity to induce better immune response. This review summarizes current knowledge on the structural characteristics, antigen design strategies, delivery systems, industrialization potential, quality control, latest clinical trials and real-world data of COVID-19 mRNA vaccines as well as mRNA technology. Current challenges and future directions in the development of preventive mRNA vaccines for major infectious diseases are also discussed.
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Details
1 National Institute for Food and Drug Control, Beijing, China (GRID:grid.410749.f) (ISNI:0000 0004 0577 6238); Wuhan Institute of Biological Products, Co., Ltd., Wuhan, China (GRID:grid.433798.2) (ISNI:0000 0004 0619 8601)
2 National Institute for Food and Drug Control, Beijing, China (GRID:grid.410749.f) (ISNI:0000 0004 0577 6238)
3 Texas A&M University, College Station, USA (GRID:grid.264756.4) (ISNI:0000 0004 4687 2082)