Second booster doses of adenoviral- and mRNA-based COVID-19 vaccines increase protection against COVID-19 hospitalization: Final analysis from the REFORCO-Brazil real-world effectiveness study during Omicron.

Jcovden (COVID-19 vaccine (Ad26.COV2-S [recombinant])) - J&J

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Comirnaty (tozinameran) - Pfizer, BioNTech

Vaxzevria (ChAdOx1-S recombinant) - University of Oxford, Emergent Biosolutions, Jenner Institute, Barinthus Bio, AstraZeneca

http://www.ncbi.nlm.nih.gov/pubmed/40068393

Abigail Postema; Alexandre Naime Barbosa; André Santa Maria; Andrew Lee; Bárbara Emoingt Furtado; Christen M Gray; Claudia Corte; Clóvis Arns da Cunha; Douglas Andreas Valverde; Eduardo Conde-Sousa; Mario Ouwens; Sylvia Taylor; Wilhelmine Meeraus

Mar 12, 2025