The Public Health Agency of Canada announced today four additional Escherichia coli O121, or E.coli O121 cases in British Columbia. This brings the number of cases in the nationwide outbreak to 24.


The 24 cases of E. coli O121 with a matching genetic fingerprint have been reported in four provinces: British Columbia (12), Saskatchewan (4), Alberta (3) and Newfoundland and Labrador (5). The illness onset dates range from November 2016 to February 2017. Six individuals have been hospitalized. These individuals have recovered or are recovering.

The source of the outbreak has not been identified and the investigation into the source of the outbreak is ongoing.

In Toronto, city health officials today put the the total confirmed mumps cases at 37, as of today. Most of the cases are among 18-35 year old individuals. Four of the cases are related to schools in Toronto, either among staff or students.