Dois estudos mostram que 1 dose de vacina contra COVID rende boa proteção em idosos.

One COVID vaccine dose yields good protection in elderly, 2 studies find – CIDRAP

Estudo original 1: Vaccine effectiveness of the first dose of ChAdOx1 nCoV-19 and BNT162b2 against SARS-CoV-2 infection in residents of long-term care facilities in England (VIVALDI): a prospective cohort study – The Lancet Infectious Diseases

Estudo original 2: Effectiveness of BNT162b2 and ChAdOx1 nCoV-19 COVID-19 vaccination at preventing hospitalisations in people aged at least 80 years: a test-negative, case-control study – The Lancet Infectious Diseases

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2 research Articles on #COVID19 vaccine effectiveness in older people:
1) Effectiveness of BNT162b2 and ChAdOx1 nCoV-19 COVID-19 vaccination at preventing hospitalisations in people aged at least 80 years: a test-negative, case-control study https://t.co/ELvMCPwSHF

— The Lancet Infectious Diseases (@TheLancetInfDis) June 24, 2021