Estudo observacional mostra que as vacinas mRNA estão associadas à efetividade de 85% contra internação por Covid-19.

Association Between mRNA Vaccination and COVID-19 Hospitalization and Disease Severity – JAMA

Editorial: Understanding Breakthrough Infections Following mRNA SARS-CoV-2 Vaccination – JAMA

Comentário: COVID-19 vaccines 85% effective against hospital cases but weaken over time – TCTMD

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