Prevalence of hepatitis a antibodies in
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S. Studer; H. I. Joller-Jemelka; R. Steffen; P. J. Grob
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Article
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1993
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Springer
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English
โ 379 KB
To assess the prevalence of antibodies to hepatitis A virus (anti-HAV) in future travellers, all visitors to the Zurich University Vaccination Center in July/August 1990 were invited to participate in a cross-sectional study. A total of 1126 future travellers were recruited to have a blood sample dr