2003 Chi-Chi's hepatitis A outbreak

2003 Chi-Chi's hepatitis A outbreak
Virus strainHepatitis A
SourceContaminated green onions imported from farms in Mexico
LocationMonaca, Pennsylvania, U.S.
First reportedNovember 3, 2003
DateSeptember-December 2003
Confirmed cases650
Hospitalized cases485
Deaths
4

The 2003 Chi-Chi's hepatitis A outbreak was an outbreak involving contaminated green onions (or scallions) at a Chi-Chi's restaurant at Beaver Valley Mall in Monaca, Pennsylvania, approximately 25 miles (40 km) northwest of Pittsburgh, from September to November 2003. The source of the contamination was green onions (or scallions) imported from three farms in Mexico. The Food and Drug Administration (FDA) stated the contamination happened during the distribution system or through the growing, harvesting, packing, or cooling process.