Change in COVID-19 risk over time following vaccination with CoronaVac: A testnegative case-control study.
medRxiv : the preprint server for health sciences(2021)
摘要
In the general population of São Paulo state, Brazil, an increase in odds of moderate and severe covid-19 outcomes was observed over time following primary series completion with CoronaVac.
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关键词
Brazil,CoronaVac,case-control study,covid-19,inactivated vaccine,test-negative study,vaccine,waning
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