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Hong Kong is a well developed city in the center of an endemic region for hepatitis A. The age at which hepatitis A occurs has shifted from childhood and adolescence to adults like many western countries. There is a high chance of outbreaks with the introduction of infection from neighbouring countries. Reducing the susceptibility of a population by vaccination can eliminate the diseases but updated...
Objective: To study the sero-epidemiology of hepatitis A virus (HAV) among adolescents in Hong Kong and analyse the changing patterns of the infection rates.Design: Cross sectional study.Setting: Secondary school students.Subjects: One thousand, five hundred and eighty students were randomly selected from 12 schools in four regions of Hong Kong.Main outcome measures:Anti-HAV status.Results: The overall...
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