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Cryptosporidiosis, 2016: DCN - Minnesota Dept. of Health

Cryptosporidiosis, 2016

During 2016, 465 cases of cryptosporidiosis (8.5 per 100,000 population) were reported. This is markedly higher than the median number of cases reported annually from 2006 to 2015 (median, 321.5 cases; range, 235 to 389). The median age was 21 years (range, 6 months to 94 years). Children 10 years of age or younger accounted for 33% of cases. Fifty-six percent of cases occurred during July through October. The incidence of cryptosporidiosis in the Southwestern, Southeastern, South Central, and West Central districts (33.4, 20.5, 21.0, and 15.5 cases per 100,000, respectively) was significantly higher than the statewide incidence.

Only 92 (20%) reported cases occurred among residents of the metropolitan area (3.0 per 100,000). Thirty-seven (8%) cases required hospitalization, for a median of 3 days (range, 2 to 41 days).

Eight confirmed outbreaks of cryptosporidiosis were identified in Minnesota in 2016, accounting for 53 laboratory-confirmed cases. Six recreational water outbreaks of cryptosporidiosis occurred, accounting for 77 cases (32 laboratoryconfirmed). The waterborne outbreaks were associated with a private kiddie pool (Yellow Medicine County) and five municipal pools/aquatic centers (Brown, Fillmore, Hennepin, Steele, and Waseca Counties). One outbreak of cryptosporidiosis was associated with school field trips to a farm in Meeker County, resulting in 72 cases (20 laboratory-confirmed). One outbreak of cryptosporidiosis due to person-to-person transmission at a child care center in Hennepin County accounted for 3 cases (1 laboratoryconfirmed).

Trends of major enteric pathogens.

Updated Friday, 14-Oct-2022 13:49:28 CDT