ArticleThe Lancet. Infectious diseases2023

Effectiveness of BNT162b2 and CoronaVac COVID-19 vaccination against asymptomatic and symptomatic infection of SARS-CoV-2 omicron BA.2 in Hong Kong: a prospective cohort study.

Nicole Ngai Yung Tsang et al.PubMed ↗Full text ↗Publisher ↗

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