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Effectiveness of mRNA boosters after homologous primary series with BNT162b2 or ChAdOx1 against symptomatic infection and severe COVID-19 in Brazil and Scotland: A test-negative design case–control study
ArticleAbstract: Background AU Brazil: and Scotland have used mRNA boosters in their respective : populations since SPalabras claves:Autores:Barral-Netto M., Boaventura V.S., Cerqueira-Silva T., de Araujo Oliveira V., Júnior J.B.S., Katikireddi S.V., Mauricio L. Barreto, Paixão E.S., Pearce N., Penna G.O., Robertson C., Rudan I., Sanchez M., Shah S.A., Sheikh A., Werneck G.L.Fuentes:scopusTwo-dose ChAdOx1 nCoV-19 vaccine protection against COVID-19 hospital admissions and deaths over time: a retrospective, population-based cohort study in Scotland and Brazil
ArticleAbstract: Background: Reports suggest that COVID-19 vaccine effectiveness is decreasing, but whether this reflPalabras claves:Autores:Agrawal U., Amele S., Barral-Netto M., Boaventura V.S., Cerqueira-Silva T., Docherty A.B., Flores-Ortiz R.J., Katikireddi S.V., Mauricio L. Barreto, McCowan C., McMenamin J., Moore E., Oliveira V.D.A., Pan J., Ritchie L.D., Robertson C., Rudan I., Shah S.A., Sheikh A., Shi T., Simpson C.R., Taylor B., Vasileiou E., Werneck G.L.Fuentes:scopus