| Literature DB >> 231302 |
P Ukkonen, R Pettersson, P Halonen.
Abstract
Serum specimens from 191 Finnish adults were tested for antibodies to hepatitis A virus (anti-HAV). The frequency of anti-HAV increased from 8% in the age group of 20-29 years to 92% in those older than 60 years. The level of 50% was reached between 40 and 50 years.Entities:
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Year: 1979 PMID： 231302 DOI： 10.3109/inf.1979.11.issue-4.10
Source DB: PubMed Journal: Scand J Infect Dis ISSN： 0036-5548