NewsDesk @bactiman63

Sweden’s Public Health Agency, Folkhälsomyndigheten reports investigating a Cryptosporidium parvum outbreak in the country.

Cryptosporidium parvum oocysts
Cryptosporidium parvum oocysts/CDC/ DPDx

An increase in the number of reported cases of Cryptosporidium infections was seen in the first two weeks of October compared to the same period in previous years.

Through typing (analysis of the parasite’s genome), 61 cases have been confirmed to belong to the subtype Cryptosporidum parvum IIaA15G2R1.

Of the confirmed cases, 41 are women and 20 are men. The cases are aged 11-86 years, average age 44 years and are native to ten different regions in Sweden.

A further 98 cases are possible cases that have been reported within the period, some of which may belong to the outbreak. Affected infection control units, the Swedish Food Agency and the Public Health Agency are investigating the outbreak to identify the source of infection, which is suspected to be a food with wide distribution in Sweden.

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