- Tytuł:
- COVID-19 vaccine coverage in health-care workers in England and effectiveness of BNT162b2 mRNA vaccine against infection (SIREN): a prospective, multicentre, cohort study
- Autorzy:
- Źródło:
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The Lancet ; May 2021, Vol. 397 Issue: 10286 p1725-1735, 11p
Periodyk