Effectiveness of Coronavirus Disease 2019 Vaccines Against Hospitalization and Death in Canada: A Multiprovincial, Test-Negative Design Study.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America（2023）
摘要
Two doses of mRNA or ChAdOx1 vaccine provide excellent protection against severe outcomes.
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关键词
SARS-CoV-2,death,hospitalization,test-negative design,vaccine effectiveness
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