Occult hepatitis B virus infection among injecting drug users in the Central-West Region of Brazil
Mem. Inst. Oswaldo Cruz
; 108(3): 386-389, maio 2013. tab
Article
em En
| LILACS
| ID: lil-676965
Biblioteca responsável:
BR1.1
ABSTRACT
The prevalence of occult hepatitis B virus (HBV) infection was investigated in 149 hepatitis B surface antigen (HBsAg) negative injecting drug users (IDUs) in the Central-West Region of Brazil. Of these individuals, 19 were positive for HBV DNA, resulting in an occult HBV infection prevalence of 12.7% (19/149); six of these 19 individuals had anti-HBV core and/or anti-HBV surface antibodies and 13 were negative for HBV markers. All IDUs with occult hepatitis B reported sexual and/or parenteral risk behaviours. All HBV DNA-positive samples were successfully genotyped. Genotype D was the most common (17/19), followed by genotype A (2/19). These findings reveal a high prevalence of occult HBV infection and the predominance of genotype D among IDUs in Brazil's Central-West Region.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Vírus da Hepatite B
/
Usuários de Drogas
/
Hepatite B
/
Anticorpos Anti-Hepatite B
/
Antígenos de Superfície da Hepatite B
Tipo de estudo:
Diagnostic_studies
/
Prevalence_studies
/
Risk_factors_studies
Limite:
Adult
/
Female
/
Humans
/
Male
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Assunto da revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Brasil