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General seroprevalence of hepatitis C and hepatitis B virus infections in population
Nasir Khokhar1, Muzaffar Lateef Gill, Ghazala Javaid Malik
1Department of Medicine, Shifa International Hospital and Shifa College of Medicine, Islamabad, Pakistan. dmkhokhar@yahoo.com
Insights
This study found a high prevalence of hepatitis C virus (HCV) infection and an average prevalence of hepatitis B virus (HBV) infection in Pakistan. Most infected individuals were young males with normal alanine aminotransferase levels.
Area of Science:
- Hepatology
- Virology
- Public Health
Background:
- Hepatitis C virus (HCV) and hepatitis B virus (HBV) are significant global health concerns.
- Understanding the seroprevalence of these infections is crucial for public health strategies in Pakistan.
Purpose of the Study:
- To determine the prevalence of anti-HCV and hepatitis B surface antigen (HBsAg) in the general population of Pakistan.
- To assess co-infection rates and alanine aminotransferase (ALT) levels in infected individuals.
Main Methods:
- An observational study was conducted from January 1998 to June 2004.
- Sera from 47,538 healthy adults were tested for anti-HCV and HBsAg.
- ALT levels were also determined for all participants.
Main Results:
- The seroprevalence of anti-HCV was 5.31% and HBsAg was 2.56%.
- A co-infection rate of 0.19% was observed.
- The mean age of HCV-positive individuals was 44 years and for HBV-positive individuals was 40.5 years; 94% were male.
Conclusions:
- The study revealed a high seroprevalence of anti-HCV and an average seroprevalence of HBV infection in the studied population.
- A majority of infected individuals were young males with normal ALT levels.
- These findings highlight the need for targeted interventions and awareness campaigns in Pakistan.
Objective:
To determine the prevalence of hepatitis C virus (HCV) and hepatitis B virus (HBV) infection by detection of anti-HCV and hepatitis B surface antigen (HbsAg) in general population of Pakistan.
Design:
Observational.
Place And Duration Of Study:
Community clinic of Shifa International Hospital, Islamabad, from January 1998 to June 2004.
Materials And Methods:
Sera of healthy adult individuals who presented for medical evaluation as a pre-employment criteria in the Gulf region were examined for presence of hepatitis B surface antigen and anti-HCV antibody. Alanine aminotransferase levels were also determined.
Results:
A total of 47,538 individuals were examined. Out of these, 2528 (5.31%) were positive for anti-HCV and 1221 (2.56%) individuals had positive HBsAg. Hepatitis B surface antigen and anti-HCV both were found in 92 (0.19%) individuals. Mean age of subjects, positive for HCV antibody was 44 years and 40.5 years for HBV. Ninety-four percent individuals were males and 6% were females. Alanine aminotransferase (ALT) was normal in 56 % of subjects with positive HCV and 84% of individuals with HBV.
Conclusion:
This study which evaluated predominantly a healthy male population, showed a high seroprevalence of anti-HCV and average seroprevalence of hepatitis B virus infection. A large majority of these patients was young and had normal ALT.
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