Waning effectiveness against COVID-19-related hospitalization, severe complications, and mortality with two to three doses of CoronaVac and BNT162b2: a case–control study

Waning effectiveness against COVID-19-related hospitalization, severe complications, and mortality with two to three doses of CoronaVac and BNT162b2: a case–control study

ABSTRACTBackground: This study aims to evaluate waning effectiveness against severe and fatal COVID-19 with two to three doses of CoronaVac/BNT162b2, where data are limited. Methods: A case–control study included individuals aged ≥18 years, unvaccinated or received two to three doses of CoronaVac/BN...

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Bibliographic Details
Main Authors: Vincent Ka Chun Yan, Eric Yuk Fai Wan, Xuxiao Ye, Anna Hoi Ying Mok, Francisco Tsz Tsun Lai, Celine Sze Ling Chui, Xue Li, Carlos King Ho Wong, Philip Hei Li, Tiantian Ma, Simon Qin, Chak Sing Lau, Ian Chi Kei Wong, Esther Wai Yin Chan
Format: Article
Language:English
Published: Taylor & Francis Group 2023-12-01
Series:Emerging Microbes and Infections
Subjects:
COVID-19
waning vaccine effectiveness
CoronaVac
BNT162b2
Omicron
Online Access:https://www.tandfonline.com/doi/10.1080/22221751.2023.2209201

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