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Rev Soc Bras Med Trop. 1995 Jul-Sep;28(3):199-203.

[Seroepidemiology of hepatitis A virus infection in street children of Goiânia-Goiás].

[Article in Portuguese]

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1
Departamento de Microbiologia, Universidade Federal de Goiás, Goiânia.

Abstract

A cross-sectional study was performed to determine the age-prevalence of hepatitis A virus (HAV) among street youth from Goiania city--Central Brazil, and to determine if any risk factors could be identified. The surveys were conducted between 1991/1992. The street youth were 397 individuals aged 7 to 21 years old living in institutions and teenagers working at streets. Then, 313 adolescents working at streets and with family links, and 84 institutionalized ones without family were screened for antibodies against HAV. Prevalences ranged from 80.0% to 92.2% to total anti-HAV and there was not a statistically significant trend of positivity with age in this group. Univariate analysis for risk factors associated with HAV infection was performed with no statistically significant difference for adolescents working at streets and living with parents, and street youth with family links. Economic variables were not statistically associated with seropositivity, probable due to homogeneous characteristics of the group. This study disclosed that street youth have a high rate of HAV infection. These findings do not suggest differences between subgroups of populations in acquiring immunity to HVA. The public health implication and the need of screening other subgroups of population of the same city were suggested in order to discuss vaccine strategy in underdeveloped countries.

[Indexed for MEDLINE]

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