Estudo de coorte retrospectiva de base populacional no Catar mostrou menor risco de infecção por Covid-19 após a vacina da Moderna em comparação com a da Pfizer–BioNTech.
20 Jan, 2022 | 23:17hEffectiveness of mRNA-1273 and BNT162b2 Vaccines in Qatar – New England Journal of Medicine
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In two matched retrospective cohort studies comparing BNT162b2 and mRNA-1273, both were highly effective at preventing hospitalization & death. Breakthrough infections were lower among those who received mRNA-1273 than those who received BNT162b2. https://t.co/wgkrzfLNHz pic.twitter.com/E8hXIDFqWW
— NEJM (@NEJM) January 19, 2022