Seroprevalence of Hepatitis A virus according to age groups in Northern Anatolia of Turkey

Background and Aims: Hepatitis A virus is a cause of acute viral hepatitis that infects millions people worldwide each year maintains its prominence in both adults childhood. The aim this study was to determine the seroprevalence different age groups Çorum which reference center for northern part central Anatolia make recommendations vaccine according groups. Materials Methods: This retrospective conducted between January 2017 2020. Patients tested anti-hepatitis any reasons were enrolled from data all patients admitted our hospital region. Serum samples analyzed by ELISA. S/CO values ≥ 1.00 considered positive immunoglobulin G M, respectively; results below value negative. Anti M Results: total 18817 assays screened computerized database. 4244 excluded repeated tests same inconclusive data. included 4115 with 10458 G. Total positivities 84.4% 0.7%. Anti-hepatitis prevalence – 85.8% 83%, positivity 0.98% 0.38% men women. There significant difference (p < 0.001, p = 0.035). seronegativity 11 - 20 years 28.4% 21 30 24.2%. Conclusion: suggests may be highest risk group infection possible complications increasing age, patient constitutes target population vaccination.