ISSN 1308-8734 | E-ISSN 1308-8742
Original Article
A Study on the Age-Related Changes in Hepatitis B and C Virus Serology
1 Department of Infectious Diseases and Clinical Microbiology, Sakarya University School of Medicine, Sakarya, Turkey  
Eurasian J Med 2016; 48: 37-41
DOI: 10.5152/eurasianjmed.2015.85
Key Words: Seroprevalence, vaccination, viral Hepatitis B, viral hepatitis C
Abstract

Objective: There are a limited number of studies on the seroprevalence of Hepatitis B virus (HBV) and Hepatitis C virus (HCV) infection in Turkey. This study aimed to compare HBV and HCV seroprevalence rates before and after the implementation of national hepatitis B vaccination program (NHPVP) and to explore age-related changes in the seroprevalences.

 

Materials and Methods: Results of Hepatitis B surface antigen (HBsAg), Hepatitis B virus surface antibody (antiHBs) and anti-HCV tests performed during 2009 and 2010 in a state hospital laboratory were reviewed retrospectively. As NHPVP was started in 1998, 12 years of age and younger children were considered post- NHPVP period subjects.

 

Results: A total of 3280 HBsAg, 2444 antiHBs and 3188 anti-HCV test results were reviewed, representing approximately 3% of the population of the city where the study was conducted. HBsAg, antiHBs and anti-HCV positivity were 3.2%, 36.12% and 0.97%, respectively. HBsAg and antiHBs positivity were higher among males (p<0.001). When assessed by age groups, HBsAg positivity was found to be the lowest in the age group 0-12 and highest in the age group 51-60. HBsAg positivity was lower in the post-NHPVP period versus pre-NHPVP period (p=0.01). Anti-HCV positivity was similar for pre- and post- NHPVP periods (p>0.05).

 

Conclusion: Owing to the use of NHPVP, HBsAg seropositivity has decreased, and it is expected to decrease further in the next years with a wider implementation of the program. Efforts should be continued to increase the level of awareness in the community for HBV and the importance of immunization.

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