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| Palumbo,Emilio; Scotto,Gaetano; Faleo,Giuseppina; Cibelli,Donatella Concetta; Angarano,Gioacchino. |
| This study evaluated the prevalence of HBV infection in a population of South American immigrants in Italy and to determine in patients with detectable serum HBV-DNA the HBVgenotypes. Between April 2005 and April 2006 a total of 130 South American immigrants were tested for HBsAg. In HBsAg positive patients the biochemical and virological activity of infection and the possible presence of co-infections (HCV, HDV, HIV) were evaluated. In patients with detectable serum HBV DNA, the HBV genotype was determined by INNOLiPA. Among the 130 subjects tested, 14 (10.7%) resulted HBsAg positive. All were men, with a mean age of 22 years (range 19-37) and 12 (85.7 %) came from Brazil, while 2 (14.3%) came from Ecuador. All patients infected by HBV had elevated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: HBV genotypes; Chronic hepatitis B; Immigrants; HBsAg; Viral genome. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000300002 |
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| Voigt,Andréia Royer; Strazer Neto,Miguel; Spada,Celso; Treitinger,Arício. |
| Hepatitis B and C are important causes of morbidity and mortality worldwide. In Brazil, according to the Ministry of Health, about 15% of population is infected by hepatitis B virus (HBV) and less than 1% by hepatitis C virus (HCV). Nevertheless, the age-specific prevalence of HBV and HCV markers remains unknown. This study aimed to determine the seroprevalence of HBV and HCV markers of infection and immunity in children and adolescents between 10 to 16 years old who live in the metropolitan area of Florianópolis, state of Santa Catarina, South of Brazil. Three hundred and eighty four individuals were enrolled in this study. Serological markers for HBV and HCV (HBsAg, total anti-HBc, anti-HBc IgM, anti-HBs and anti-HCV) were determined through... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: HBV; HCV; HBsAg; Anti-HBs; Anti-HBc; Anti-HCV; Seroprevalence. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000100012 |
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| Alireza,Khabiri; Mohsen,Abolhassani; Sudabeh,Aslani; Hiedeh,Darabi; Farideh,Bagheri; Mohammad-Hossein,Alimohammadian. |
| In this report we have analysed the peripheral blood lymphocyte of several patients with chronic hepatitis B virus infection with flow cytometry. Based on the presence and absence of the HBeAb, patients were divided into two groups. In both, all the patients were HBsAg positive with normal range of serum alanine aminotranferase (23.9 ± 17.8). We have found that the immunophenotypic profiles of patients were different from healthy donors with significant decrease in CD3+ T cells, specially CD8+ T cells and a siginificant increase in the CD19+ B cells. The differences were seen in other subset of T cells (CD4+) or NK cells (CD56+/CD16+ ) and HLA-DR markers were not significant. When the phenotypic profiles of both groups were compared with each other, such... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hepatitis B virus; Chronic HBV infection; HBsAg; HBeAg; HBeAb; Lymphocyte subset; Flow cytometry. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702001000600009 |
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| Altay,Tulin; Uskun,Ersin; Akcam,Fusun Zeynep. |
| OBJECTIVES: The objective of this cross-sectional study was to determine seroprevalence of hepatitis B surface antigen and related risk factors among new recruits in a military unit in Turkey. METHODS: Eight thousand five hundred eighty-nine newly-recruited soldiers were enrolled in the study. Blood samples were drawn from them between January 2006 and December 2006 and ELISA technique was applied to the samples. In addition, questions on the risk factors of hepatitis B exposure were asked to the participants in the survey. RESULTS: The results demonstrated that HBsAg seroprevalence was 2.8%. Further survey results indicated that seropositivity increased depending on certain risk factors. In multiple regression analysis, significant correlations were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Seroprevalence; Hepatitis B surface antigen; HBsAg. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702012000400005 |
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| Registros recuperados: 10 | |
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