Vaccination status and hepatitis A immunity in children: insights from a large-scale study in Turkey
- Published on 21/10/2025
- Reading time: 5 min.
Yigit Metin 1,2, Kalayci Furkan 2
1 https://ror.org/05ryemn72 Department of Pediatrics Yildirim Beyazit University, Ankara Bilkent City Hospital Bilkent 06800 Ankara Turkey
2 https://ror.org/033fqnp11 Department of Pediatrics Ankara Bilkent City Hospital Bilkent 06800 Ankara Turkey
Abstract
Background Hepatitis A remains a public health concern, particularly in areas with suboptimal sanitation. Introduced in Turkey's immunization schedule in 2011, the vaccine has improved immunity; however, gaps persist, especially in older, unvaccinated children. This study examines the seropositivity rates and antibody levels in children across different vaccination statuses and age groups, and to identify gaps in immunity, particularly among children those born before...
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