American Journal of Epidemiology Vol. 117, No. 6: 695-705
Copyright © 1983 by The Johns Hopkins University School of Hygiene and Public Health
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HEPATITIS A ASSOCIATED WITH A HARDWARE STORE WATER FOUNTAIN AND A CONTAMINATED WELL IN LANCASTER COUNTY, PENNSYLVANIA, 1980
1Field Services Division, Epidemiology Program Office, Centers for Disease Control, assigned to the Philadelphia Department of Public Health Philadelphia, PA
2Division of Epidemiology, Pennsylvania Department of Health Harrisburg, Pennsylvania
Address for reprints: Field Services Division, Epidemiology Program Office, Centers for Disease Control, Atlanta, GA 30333
In August-October 1980, a sudden increase occurred in the number of cases of jaundice reported among residents of a rural, agricultural section of Lancaster County, Pennsylvania. Investigation confirmed the cases as hepatitis A and showed that the outbreak was associated with consumption of water from a water fountain in a hardware store and water from the adjacent family home, both of which came from a well contaminated with feces. A total of 49 cases occurred from August 11 to October 21 in store customers, employees, family members, and persons visiting the family residence. Unusual features of the outbreak included an epidemic curve with two peaks, a very high attack rate in susceptibies at highest risk (>90%), a high proportion of cases with jaundice (85%), absence of asymptomatic cases, and a high male to female ratio due to the makeup of the group at risk.
antibodies; hepatitis; hepatitis A; jaundice; water pollution
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