An Outbreak of Foodborne Giardiasis

Michael T. Osterholm, Jan C. Forfang, Terry L. Ristinen, Andrew G. Dean, John W. Washburn, Janice R. Godes, Richard A. Rude, John G. Mccullough

Research output: Contribution to journalArticlepeer-review

84 Scopus citations


GIARDIA LAMBLIA is recognized as an important cause of acute illness in human beings. Community-wide waterborne outbreaks of giardiasis have been documented with increasing frequency, 1 2 3 4 5 and backpackers have become ill after drinking water from mountain streams.6,7 Giardiasis has also occurred among travelers to foreign countries, although the methods of transmission in these situations are not clear.8 9 10 Person-to-person transmission has been demonstrated in mental institutions, 11 12 13 in day-care centers, 14,15 and among male homosexuals.16 17 18 To our knowledge, fecally contaminated food has not been documented to be a vehicle for the transmission of giardiasis, even though the fecal-oral route of transmission has been well.

Original languageEnglish (US)
Pages (from-to)24-28
Number of pages5
JournalNew England Journal of Medicine
Issue number1
StatePublished - Jan 1 1981


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