Tracking epidemiological shifts in hepatitis A in Portugal: a comparison of seroprevalence between two nationwide surveys, 2001 to 2002 and 2015 to 2016.

Euro Surveill · 2025 · PMC12449678 · PMID 40970306

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a decreasing trendno p-value reported

The birth cohort analysis, using the defined groups (1911–20 to 2001–14), showed a decreasing trend in the prevalence of anti-HAV antibodies from the oldest to the more recent cohorts ( Table , Figure 2 ).

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