From 2006 to 2015 there were 7,519 cases of giardiasis reported in Minnesota.
In 2015, 620 giardiasis cases (11.4 per 100,000 population) were reported. The cases ranged in age from 10 months to 83 years; the median age was 19 years. Recent immigrants and refugees continue to represent a substantial proportion of reported Giardia cases, accounting for 42% of all cases. An additional 9% of cases reported international travel in the 3 weeks prior to illness onset. Excluding cases identified through immigrant and refugee health screenings, 68% were male and 53% occurred from July through October. One outbreak of giardiasis that occurred in a daycare was identified in Minnesota in 2015.
- Reported Cases of Giardiasis in Minnesota, 2006-2015 (PDF)
Bar graph showing the number of reported giardiasis cases in Minnesota.
- Giardiasis, 2014
Minnesota Department of Health Disease Control Newsletter, Annual Summary of Communicable Diseases Reported to the Minnesota Department of Health, 2014.
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