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| The current severe acute respiratory syndrome coronavirus 2 variants of concern |
| CHEN Jingxian1,2 |
| 1. National Clinical Research Center of Respiratory Diseases, Guangzhou 510120, Guangdong Province, China; 2. KingMed Diagnostic and Translational Center for Respiratory Viruses, Guangzhou 510320, Guangdong Province, China |
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Abstract Since the outbreak of coronavirus disease 2019 (COVID-19), severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has generated more than 10 000 variants. Some of them deserve our concern because it may become more infectious, or show increased pathogenicity with higher mortality, or it is no longer detectable with current assays, or it may evade immune protection conferred by available vaccines. On May 31, World Health Organization (WHO) proposed a new system to name SARS-CoV-2 variants. In this review, four worldwide spread SARS-CoV-2 variants were discussed comprehensively, including the India variant that is responsible for recent endemic of COVID-19 in Guangzhou.
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Received: 16 June 2021
Published: 25 August 2021
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Corresponding Authors:
CHEN Jingxian
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SUN Feng1, ZHANG Yilin1, LI Yang1, ZHANG Haocheng1, LIU Qihui1, AI Jingwen1, WANG Sen1, CUI Shuzheng2, SHI Liubin2, XUE Yu2, LONG Feng2, MA Ke2, QIN Lunxiu2, ZHANG Jiming1, ZHANG Wenhong1. Inactivated vaccine protects against severe outcome among adults aged over 60 years during SARS-CoV-2 Omicron variant predominance: evidence from a single-center cohort[J]. JOURNAL OF MICROBES AND INFECTIONS, 2022, 17(4): 209-219. |
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2021, Vol. 16 
