alexa Hepatitis B and hepatitis C in Pakistan: prevalence and risk factors.
Infectious Diseases

Infectious Diseases

Journal of Infectious Diseases and Diagnosis

Author(s): Ali SA, Donahue RM, Qureshi H, Vermund SH

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Abstract BACKGROUND: Pakistan carries one of the world's highest burdens of chronic hepatitis and mortality due to liver failure and hepatocellular carcinomas. However, national level estimates of the prevalence of and risk factors for hepatitis B and hepatitis C are currently not available. METHODS: We reviewed the medical and public health literature over a 13-year period (January 1994-September 2007) to estimate the prevalence of active hepatitis B and chronic hepatitis C in Pakistan, analyzing data separately for the general and high-risk populations and for each of the four provinces. We included 84 publications with 139 studies (42 studies had two or more sub-studies). RESULTS: Methodological differences in studies made it inappropriate to conduct a formal meta-analysis to determine accurate national prevalence estimates, but we estimated the likely range of prevalence in different population sub-groups. A weighted average of hepatitis B antigen prevalence in pediatric populations was 2.4\% (range 1.7-5.5\%) and for hepatitis C antibody was 2.1\% (range 0.4-5.4\%). A weighted average of hepatitis B antigen prevalence among healthy adults (blood donors and non-donors) was 2.4\% (range 1.4-11.0\%) and for hepatitis C antibody was 3.0\% (range 0.3-31.9\%). Rates in the high-risk subgroups were far higher. CONCLUSIONS: Data suggest a moderate to high prevalence of hepatitis B and hepatitis C in different areas of Pakistan. The published literature on the modes of transmission of hepatitis B and hepatitis C in Pakistan implicate contaminated needle use in medical care and drug abuse and unsafe blood and blood product transfusion as the major causal factors.
This article was published in Int J Infect Dis and referenced in Journal of Infectious Diseases and Diagnosis

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