Key result
Hepatitis A incidence in Finland remained very low (0.3-3.6/100,000) from 1990-2007, while overall seropositivity increased from 30% to 45%, though it remained under 5% in individuals aged under 40.
Population
Finnish population, including 3,217 serum samples from 1997-1998 and 52,012 patient samples from 1990-2007
Design
Cross-sectional
Authors
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Low seroprevalence under age 40 signals susceptibility; leaves open targeted vaccination strategies in low-incidence populations.
Observational (n=55,229)
The low seroprevalence of hepatitis A in younger Finnish populations highlights a vulnerability to infection that may require increased vaccination efforts.
Broman et al. (2010) conducted an observational in Hepatitis A (n=55,229). Hepatitis A virus exposure was evaluated on Hepatitis A seropositivity and incidence. Hepatitis A incidence in Finland remained very low (0.3-3.6/100,000) from 1990-2007, while overall seropositivity increased from 30% to 45%, though it remained under 5% in individuals aged under 40.
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