Key result
Hepatitis A virus IgG seroprevalence was 87.3% and IgM seropositivity was 0.2% among 25,007 individuals in Erzurum, Turkey, reflecting high overall immunity and low acute infection rates.
Why the study?
Hepatitis A virus infects millions worldwide each year, and the study aimed to evaluate anti-HAV IgG and IgM seropositivity across age groups and related factors in Erzurum.
Cross-Sectional (n=25,007)
No
In Erzurum, Turkey, anti-HAV IgG prevalence is very high (87.3%) while IgM is low (0.2%), reflecting the impact of the national HAV vaccination program introduced in 2012.
Supports effective national HAV vaccination in Turkey; extends regional seroprevalence data but leaves open sex-specific immunity factors.
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Ahmet Yılmaz (2020) conducted a cross-sectional in Hepatitis A (n=25,007). Hepatitis A virus exposure was evaluated on Anti-HAV IgG seropositivity. Hepatitis A virus IgG seroprevalence was 87.3% and IgM seropositivity was 0.2% among 25,007 individuals in Erzurum, Turkey, reflecting high overall immunity and low acute infection rates.
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