Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil
Hepatitis B markers were determined in 397 individuals from Niterói and 680 from Nova Iguaçu and prevalences of 9.1% (1.0% of HBsAg and 8.1% of anti HBs) and 11.1% (1.8% of HBsAg and 9.3% of antiHBs) were found, respectively. The comparative prevalence of both markers in relation to age showed a higher prevalence of HBsAg in the group 21-50 years old. Considering the antiHBs antibody, it was demostrated a gradual increase with age, reaching 14.9% in Niterói and 29.1% in Nova Iguaçu in individuals over 51 years old. For hepatitis A, in 259 samples from Niterói, equally distributed by age groups, an overall prevalence of 74.5% of anti-HAV antibodies was found. This prevalence increases gradually reaching 90.0% at age over thirty. In 254 samples from Nova Iguaçu analysed, a prevalence of 90.5% of antibodies was encountered when the same criteria of distribution of samples were used. This level of prevalence reached 90.0% already in the age over ten years old. The tests were performed by enzyme immunoassay with reagents prepared in our laboratory.
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Instituto de Medicina Tropical de São Paulo
1987
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oai:scielo:S0036-466519870004000062011-02-17Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, BrazilAbuzwaida,Abdulbasit R. N.Sidoni,MarliYoshida,Clara F. T.Schatzmayr,Hermann G. Soroepidemiology HBsAg anti-HBs anti-HAV Hepatitis B markers were determined in 397 individuals from Niterói and 680 from Nova Iguaçu and prevalences of 9.1% (1.0% of HBsAg and 8.1% of anti HBs) and 11.1% (1.8% of HBsAg and 9.3% of antiHBs) were found, respectively. The comparative prevalence of both markers in relation to age showed a higher prevalence of HBsAg in the group 21-50 years old. Considering the antiHBs antibody, it was demostrated a gradual increase with age, reaching 14.9% in Niterói and 29.1% in Nova Iguaçu in individuals over 51 years old. For hepatitis A, in 259 samples from Niterói, equally distributed by age groups, an overall prevalence of 74.5% of anti-HAV antibodies was found. This prevalence increases gradually reaching 90.0% at age over thirty. In 254 samples from Nova Iguaçu analysed, a prevalence of 90.5% of antibodies was encountered when the same criteria of distribution of samples were used. This level of prevalence reached 90.0% already in the age over ten years old. The tests were performed by enzyme immunoassay with reagents prepared in our laboratory.info:eu-repo/semantics/openAccessInstituto de Medicina Tropical de São PauloRevista do Instituto de Medicina Tropical de São Paulo v.29 n.4 19871987-08-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651987000400006en10.1590/S0036-46651987000400006 |
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Abuzwaida,Abdulbasit R. N. Sidoni,Marli Yoshida,Clara F. T. Schatzmayr,Hermann G. |
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Abuzwaida,Abdulbasit R. N. Sidoni,Marli Yoshida,Clara F. T. Schatzmayr,Hermann G. Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil |
author_facet |
Abuzwaida,Abdulbasit R. N. Sidoni,Marli Yoshida,Clara F. T. Schatzmayr,Hermann G. |
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Abuzwaida,Abdulbasit R. N. |
title |
Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil |
title_short |
Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil |
title_full |
Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil |
title_fullStr |
Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil |
title_full_unstemmed |
Seroepidemiology of hepatitis a and b in two urban communities of Rio de Janeiro, Brazil |
title_sort |
seroepidemiology of hepatitis a and b in two urban communities of rio de janeiro, brazil |
description |
Hepatitis B markers were determined in 397 individuals from Niterói and 680 from Nova Iguaçu and prevalences of 9.1% (1.0% of HBsAg and 8.1% of anti HBs) and 11.1% (1.8% of HBsAg and 9.3% of antiHBs) were found, respectively. The comparative prevalence of both markers in relation to age showed a higher prevalence of HBsAg in the group 21-50 years old. Considering the antiHBs antibody, it was demostrated a gradual increase with age, reaching 14.9% in Niterói and 29.1% in Nova Iguaçu in individuals over 51 years old. For hepatitis A, in 259 samples from Niterói, equally distributed by age groups, an overall prevalence of 74.5% of anti-HAV antibodies was found. This prevalence increases gradually reaching 90.0% at age over thirty. In 254 samples from Nova Iguaçu analysed, a prevalence of 90.5% of antibodies was encountered when the same criteria of distribution of samples were used. This level of prevalence reached 90.0% already in the age over ten years old. The tests were performed by enzyme immunoassay with reagents prepared in our laboratory. |
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Instituto de Medicina Tropical de São Paulo |
publishDate |
1987 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651987000400006 |
work_keys_str_mv |
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