Hepatitis A virus infection in Brazilian correctional facilities

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CASTRO, Lisie Souza
REZENDE, Grazielli Rocha de
PUGA, Marco Antonio Moreira
BANDEIRA, Larissa Melo
TANAKA, Tayana Serpa Ortiz
TAIRA, Deborah Ledesma
DEMARCHI, Luiz Henrique Ferraz
CRODA, Julio Rosa Henrique
PLOS ONE, v.18, n.4, 2023
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Hepatitis A virus (HAV) infection is transmitted by the fecal-oral route, through interpersonal contact and ingestion of contaminated food or water. Prisoners are at higher risk of acquiring HAV infection mainly due to the environment of closed penal institutions and socioeconomic conditions. This study aims to determine the seroprevalence of anti-HAV and its associated risk factors among inmates from twelve prisons in Central Brazil. A cross-sectional study was conducted between March 2013 and March 2014. A total of 580 prisoners participated in the study. The participant's samples were tested for Total and IgM anti-HAV antibodies by electrochemiluminescence immunoassay (ECLIA). Risk factors associated with anti-HAV seropositivity were also analyzed. The prevalence rate of HAV exposure was 88.1% (95% CI: 85.5-90.7). No sample had a positive reaction to IgM anti-HAV. Increasing age, low level of education, and being imprisoned in Corumba city were independently associated with HAV exposure among prisoners. To prevent the burden of the disease, vaccination strategies should be considered for susceptible prisoners in Central Brazil.
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