2020
DOI: 10.1590/1980-549720200073
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Vacinação universal contra hepatite A no Brasil: análise da cobertura vacinal e da incidência cinco anos após a implantação do programa

Abstract: RESUMO: Introdução: Em 2014, o Brasil introduziu programa de imunização universal contra o vírus da hepatite A (HAV) para crianças no segundo ano de vida, por meio de dose única da vacina de vírus inativado. Este estudo teve como objetivo avaliar a cobertura vacinal (CV) contra o HAV no Brasil, diante da incidência de casos notificados cinco anos após a implantação do programa. Metodologia: Dados secundários foram obtidos pesquisando-se sítios eletrônicos de acesso livre do Ministério da Saúde, Departament… Show more

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Cited by 27 publications
(19 citation statements)
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“…To our knowledge, this is the first study using interrupted time-series analysis to evaluate the impact of introducing a hepatitis A vaccine into the NIP on hepatitis A incidence rates, in the Brazilian population. Previous studies have demonstrated important reductions of hepatitis A incidence in all regions of Brazil after the vaccine introduction using other methodologies [9,13,14,15]. We found a significant immediate reduction (level change) of hepatitis A incidence rates in the overall population as well as in the target population for vaccination.…”
Section: Discussionsupporting
confidence: 50%
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“…To our knowledge, this is the first study using interrupted time-series analysis to evaluate the impact of introducing a hepatitis A vaccine into the NIP on hepatitis A incidence rates, in the Brazilian population. Previous studies have demonstrated important reductions of hepatitis A incidence in all regions of Brazil after the vaccine introduction using other methodologies [9,13,14,15]. We found a significant immediate reduction (level change) of hepatitis A incidence rates in the overall population as well as in the target population for vaccination.…”
Section: Discussionsupporting
confidence: 50%
“…Nevertheless, a sustained vaccination coverage from 65% to 85% was reported between 2017 and 2019 with a slightly increasing trend over the years in all national territories. The drop in hepatitis A vaccination coverage in 2016 was consistent throughout all vaccines included in the childhood immunization schedule, probably due to multiple factors including lack of health education promotion on the benefits of vaccination and the change of the NIP information system from consolidated doses applied to nominal register [13]. From 1994 until 2013, information on vaccine doses administered was provided by the municipalities administrators as aggregated data.…”
Section: Discussionmentioning
confidence: 99%
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“…Esse fator pode estar associado à epidemia registrada em adultos de 20 a 39 anos, ocorrida em 2017, com destaque para a Região Sudeste, e ao fato de a queda na cobertura vacinal infantil estar ligada à hesitação da vacina. (Brito & Souto, 2020) Foi possível observar que a menor taxa de prevalência da doença ocorreu em indivíduos que possuem de 8 a 12 anos de estudo (2,92%) e a maior ocorreu entre os que possuem de 4 a 8 anos de estudo (7,97%). Porém, o quantitativo de notificações ignoradas foi significativo, apresentado 1,39% dos casos.…”
Section: Resultados E Discussõesunclassified
“…A hepatite A, no ano de 2014, passou a fazer parte do Programa Nacional de Imunização (PNI), sendo administrada em dose única a partir dos 15 meses de vida da criança (Brito & Souto, 2020). Porém, a doença ainda está presente no Brasil e sua abordagem é de extrema valia.…”
Section: Considerações Finaisunclassified