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Giardiasis, 2011: DCN - Minnesota Dept. of Health

Giardiasis, 2011

During 2011, 692 cases of Giardia infection (13.1 per 100,000) were reported. This represents a 35% decrease from the median number of cases reported annually from 1998 through 2010 (median, 1,059 cases; range, 678 to 1,556). Historically, a substantial proportion of Giardia cases has represented positive tests during routine screenings of recent immigrants and refugees. The median age for all cases reported in 2011 was 23 years (range, 2 weeks to 89 years). Seventeen percent of cases were less than 5 years of age, and 20% of cases were over 50 years of age.

Updated Friday, 14-Oct-2022 13:45:35 CDT