Status of Humoral and Cellular Immune Responses within 12 Months following CoronaVac Vaccination against COVID-19

Author:

Zhao Wei1,Chen Weixin1,Li Juan1ORCID,Chen Meng1,Li Qin2,Lv Min1,Zhou ShanShan1,Bai Shuang1,Wang Yali1,Zhang Lichi1,Zhang Peng1,Wang Jian1,Zheng Qun3ORCID,Wu Jiang1

Affiliation:

1. Beijing Center for Disease Prevention and Control, Beijing Research Center for Preventive Medicine, Beijing, China

2. Department of Laboratory, Yanjing Medical College, Capital Medical University, Beijing, China

3. Experimental Center for Basic Medical Teaching, School of Basic Medical Sciences, Capital Medical University, Beijing, China

Abstract

CoronaVac is an inactivated vaccine containing whole-virion SARS-CoV-2, which has been approved in 43 countries for emergency use as of 26 November 2021. However, the long-term immune persistence of the CoronaVac vaccine is still unknown. Here, we reported the status of the persistence of antibodies and cellular responses within 12 months after two doses of CoronaVac. Such data are crucial to inform ongoing and future vaccination strategies to combat COVID-19.

Funder

Beijing Municipal Science & Technology Commission

Publisher

American Society for Microbiology

Subject

Virology,Microbiology

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