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Hepatitis A antibodies in Finland
Scandinavian Journal of Infectious Diseases
|January 1, 1979
Summary
Hepatitis A virus (HAV) antibody prevalence increases significantly with age in Finnish adults. Over 90% of individuals over 60 years old had antibodies, indicating widespread past exposure to HAV.
Area of Science:
- Epidemiology
- Virology
- Public Health
Background:
- Hepatitis A virus (HAV) infection is a global health concern.
- Understanding seroprevalence is crucial for public health strategies.
- Previous data on HAV seroprevalence in Finnish adults is limited.
Purpose of the Study:
- To determine the seroprevalence of antibodies to Hepatitis A virus (anti-HAV) in a Finnish adult population.
- To analyze the relationship between age and anti-HAV prevalence.
Main Methods:
- Serum specimens were collected from 191 adult participants in Finland.
- Antibodies to Hepatitis A virus (anti-HAV) were detected using serological assays.
Main Results:
- The overall prevalence of anti-HAV was found to increase with age.
- In the 20-29 year age group, anti-HAV prevalence was 8%.
- Prevalence rose to 92% in adults older than 60 years, with a 50% prevalence level reached between 40-50 years of age.
Conclusions:
- Hepatitis A virus exposure is highly prevalent in the Finnish adult population, particularly in older age groups.
- Age is a significant factor associated with Hepatitis A virus seropositivity.
- Findings suggest widespread past HAV infection across different adult age cohorts in Finland.