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https://www.arca.fiocruz.br/handle/icict/33527
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ArtigoDireito Autoral
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- IOC - Artigos de Periódicos [12502]
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HEPATITIS A OUTBREAK IN A PUBLIC SCHOOL IN RIO DE JANEIRO, BRAZIL
Outbreak
Seroepidemiology
Public school
Rio de Janeiro
Brazil
Autor(es)
Afiliação
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Virologia. Rio de Janeiro, RJ. Brasil.
Universidade Federal do Rio de Janeiro. Núcleo de Estudos de Saúde Coletiva. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Virologia. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Virologia. Rio de Janeiro, RJ. Brasil.
Universidade Federal do Rio de Janeiro. Núcleo de Estudos de Saúde Coletiva. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Virologia. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Virologia. Rio de Janeiro, RJ. Brasil.
Resumo em Inglês
From June 1 to July 1 1999, an outbreak involving 25 cases of hepatitis A occurred in a public school in Rio de Janeiro, Brazil. Since these cases were notified to the State Health Department, the National Reference Center for Hepatitis Viruses (CNRHV) was required to investigate the extent of hepatitis A virus (HAV) dissemination. Blood samples from all students were tested for IgM and total anti-HAV antibodies using a commercial enzyme-linked immunoassay (ELISA). At the same time, a questionnaire was completed in order to identify possible risk factors for HAV infection. The environmental investigation showed that there was no fecal contamination of the water supply. The epidemiological investigation demonstrated that almost 50% of this population was susceptible to HAV infection and probably person-to-person transmission was the principal mode of virus dissemination. In this situation, a massive vaccination campaign could control the HAV infection.
Palavras-chave em inglês
Hepatitis A virusOutbreak
Seroepidemiology
Public school
Rio de Janeiro
Brazil
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