Cryptosporidiosis 2000 - Minnesota Dept. of Health

Cryptosporidiosis, 2000

Introduction to Annual Summary of Communicable Diseases, 2000

List of Reportable Diseases, 2000

Number of Cases of Selected Reportable Diseases, 2000

During 2000, 197 cases of laboratory-confirmed Cryptosporidium parvum infection were reported (4.0 per 100,000 population). This represents a 116% increase from the 91 cases reported in 1999 and a 34% increase from the mean annual number of cases reported from 1996 to 1999 (mean, 147 cases; range, 81 to 242 cases).

Demographic characteristics of cases in 2000 were similar to previous years. Sixty (30%) cases were from southeastern Minnesota, and 43 (22%) were from the seven-county metropolitan area. Cases ranged in age from 3 months to 81 years, with a median of 9 years. Children less than 10 years of age accounted for 52% of cases, while children less than 5 years of age accounted for 30%. Seventy-eight percent of cases had onset during July through October. Twelve percent of cases were hospitalized.

Seven outbreaks of cryptosporidiosis were identified in 2000, accounting for 48 (24%) confirmed cases. Four outbreaks were associated with swimming pools, two were associated with beaches, and one was associated with contact with ill calves at a day camp. Excluding outbreak-associated cases, there still was a substantial increase in cases reported in 2000 (149 cases) compared to 1999 (81 cases).

Updated Friday, September 16, 2016 at 12:09PM