The role of young children in a community-wide outbreak of hepatitis A

An Hasidic Jewish community has experienced recurrent hepatitis A outbreaks since 1980. To assess risk factors for illness during a 1985–6 outbreak, the authors reviewed case records and randomly selected 93 households for an interview and serologic survey. In the outbreak, 117 cases of hepatitis A...

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Bibliographic Details
Published in:Epidemiology and infection 1997-06, Vol.118 (3), p.243-252
Main Authors: SMITH, P. F., GRABAU, J. C., WERZBERGER, A., GUNN, R. A., ROLKA, H. R., KONDRACKI, S. F., GALLO, R. J., MORSE, D. L.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Distribution
Age Factors
Age groups
Antibodies
Biological and medical sciences
Case-Control Studies
Child
Child, Preschool
Children
Communities
Disease Outbreaks
Female
Hepatitis A
Hepatitis A - epidemiology
Hepatitis A - ethnology
Hepatitis A virus
Human viral diseases
Humans
Infant
Infections
Infectious diseases
Jews
Male
Medical sciences
New York - epidemiology
Predisposing factors
Prevalence
Retrospective Studies
Risk
Risk Factors
Surveillance
Vaccination
Viral diseases
Viral hepatitis
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Summary:An Hasidic Jewish community has experienced recurrent hepatitis A outbreaks since 1980. To assess risk factors for illness during a 1985–6 outbreak, the authors reviewed case records and randomly selected 93 households for an interview and serologic survey. In the outbreak, 117 cases of hepatitis A were identified, with the highest attack rate (4·2%) among 3–5 year olds. Among the survey households, the presence of 3–5 year olds was the only risk factor that increased a household's risk of hepatitis A (indeterminant relative risk, P=0·02). Furthermore, case households from the outbreak were more likely to have 3–5 year olds than were control households from the survey (odds ratio=16·4, P
ISSN:0950-2688
1469-4409
DOI:10.1017/S0950268897007462