Dear Editor,The pandemic of COVID-19 continues worldwide with many variants arising,especially SARS-CoV-2 Delta(B.1.617.2)and Omicron(B.1.1.529)variants of concern(VOCs).According to WHO,Omicron has spread in almost a...Dear Editor,The pandemic of COVID-19 continues worldwide with many variants arising,especially SARS-CoV-2 Delta(B.1.617.2)and Omicron(B.1.1.529)variants of concern(VOCs).According to WHO,Omicron has spread in almost all the countries with a doubling time less than Delta VOC.展开更多
基金This work was supported by Institutes for Drug Research and Development of New Outbreak of Viral Infectious Diseases(SIMM020101),"One-Three-Five"Strategic Programs,Wuhan Institute of Virology,Chinese Academy of Sciences,China.
文摘Dear Editor,The pandemic of COVID-19 continues worldwide with many variants arising,especially SARS-CoV-2 Delta(B.1.617.2)and Omicron(B.1.1.529)variants of concern(VOCs).According to WHO,Omicron has spread in almost all the countries with a doubling time less than Delta VOC.
