Efficacy of Brucella abortus S19 and RB51 vaccine strains: a systematic review and meta-analysis

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Autor(es): dc.creatorOliveira, Marina Martins De-
Autor(es): dc.creatorPereira, Carine Rodrigues-
Autor(es): dc.creatorOliveira, Izabela Regina Cardoso De-
Autor(es): dc.creatorGodfroid, Jacques-
Autor(es): dc.creatorLage, Andrey Pereira-
Autor(es): dc.creatorDorneles, Elaine Maria Seles-
Data de aceite: dc.date.accessioned2026-02-09T11:09:59Z-
Data de disponibilização: dc.date.available2026-02-09T11:09:59Z-
Data de envio: dc.date.issued2022-02-07-
Data de envio: dc.date.issued2023-06-27-
Data de envio: dc.date.issued2022-02-07-
Data de envio: dc.date.issued2023-06-27-
Data de envio: dc.date.issued2021-07-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br//handle/1/57612-
Fonte completa do material: dc.identifierhttps://doi.org/10.1111/tbed.14259-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1135140-
Descrição: dc.descriptionThis systematic review and meta-analysis aimed to recalculate the efficacy of Brucella abortus S19 and RB51 vaccine strains and discuss the main variables associated with controlled trials to evaluate bovine brucellosis vaccine efficacy (VE). The most commonly used vaccine strain was S19, at a dose of 1010 colony forming units (CFU), followed by RB51 at 1010 CFU. The most commonly used challenge strain was B. abortus 2308, at a dose of 107 CFU, by the intraconjunctival route. Regarding the meta-analysis, trials were grouped according to the vaccine strain and dose to recalculate protection against abortion (four groups) or infection (five groups) using pooled risk ratio (RR) and VE. Regarding protection against abortion (n = 15 trials), the S19 vaccine at 109 CFU exhibited the highest protection rate (RR = 0.25, 95% confidence interval (CI) : 0.12–0.52; VE = 75.09%, 95% CI: 48.08–88.05), followed by RB51 at 1010 CFU (RR = 0.31, 95% CI: 0.16–0.61; VE = 69.25%, 95% CI: 39.48–84.38). Regarding protection against infection (n = 23 trials), only two subgroups exhibited significant protection: S19 at 109 CFU (RR = 0.28, 95% CI: 0.14–0.55; VE = 72.03%, 95% CI: 57.70– 81.50) and RB51 at 1010 CFU (RR = 0.43, 95% CI: 0.22–0.84; VE = 57.05%, 95% CI: 30.90–73.30). In conclusion, our results suggest that a dose of 109 CFU for S19 and 1010 CFU for RB51 are the most suitable for the prevention of abortion and infection caused by B. abortus.-
Idioma: dc.languageen-
Publicador: dc.publisherWiley-VCH GmbH-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceTransboundary and Emerging Diseases-
Palavras-chave: dc.subjectAbortion-
Palavras-chave: dc.subjectBovine brucellosis-
Palavras-chave: dc.subjectBovine - Infection-
Palavras-chave: dc.subjectBovine - Vaccination-
Palavras-chave: dc.subjectAborto-
Palavras-chave: dc.subjectBrucelose bovina-
Palavras-chave: dc.subjectBovinos - Infecção-
Palavras-chave: dc.subjectBovinos - Vacinação-
Título: dc.titleEfficacy of Brucella abortus S19 and RB51 vaccine strains: a systematic review and meta-analysis-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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