Article

Vaccine Effectiveness of Two-Dose BNT162b2 Over Time Against COVID-19 Symptomatic Infection and Severe Cases Among Adolescents: Test Negative Design Case Control Studies in Brazil and Scotland

2022-04-05

Abstract excerpt

Background: Little is known about vaccine effectiveness (VE) over time among adolescents, especially against the SARS-CoV-2 B.1.1.529 (Omicron) variant. This study assessed the associations between time since two-dose vaccination with BNT162b2 and the occurrence of symptomatic SARS-CoV-2 infection and severe COVID-19 among adolescents in Brazil and Scotland. <br><br>Methods: We conducted test-negative design in a...

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Literature Corpus work: a1637006-c643-55c2-900f-185cd47e3227
DOI: 10.2139/ssrn.4074678

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