期刊
BRITISH JOURNAL OF BIOMEDICAL SCIENCE
卷 70, 期 1, 页码 27-30出版社
STEP PUBLISHING LTD
DOI: 10.1080/09674845.2013.11669926
关键词
Coinfection; Hepatitis E virus; Helicobacter pylori; Water supply; Social class
This study aims to determine the prevalence of co-infection of H. pylori and hepatitis E virus (HEV) in the paediatric age group in an urban slum area of Karachi and identify risk factors associated with co-infection Five hundred and forty children, aged one to 15 years were investigated. Blood samples were collected and questionnaires completed on socio-demographic characteristics Anti-H. pylori, HEV IgG and IgM antibodies were analysed by enzyme immunoassays (EIAs). The seroprevalence of H. pylori antibody was 47.2%, while that of HEV IgG and IgM was 14.4% and 2.4%, respectively. 12.4% exhibited seroprevalence for both H. pylori and HEV (IgG). In 67 (26%) cases positive for H. pylori IgG, HEV IgG positivity was also seen (P < 0.001). Only 13 (5%) positive for H. pylori were also positive for HEV IgM (P < 0.001). Only 11 (4%) HEV IgG-positive cases were H. pylori antibody negative (P < 0.001). Hepatitis E virus was common in children who had access to municipal piped water (P=0.025). H. pylori was common in children who used a non flush toilet system (P < 0.001). Children exposed to H. pylori infection were also exposed to the risk of HEV.
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