COVID-19 outbreak at St. Brigid Catholic Elementary School.The outbreak at the Ayr, Ont., school was declared on Sunday after a student tested positive for the virus on Friday and then another student on Saturday.
Student at Waterloo Catholic school tests positive for COVID-19 In a letter home to parents, public health said an outbreak in a school is defined as two or more lab-confirmed cases in students, staff or other visitors with an epidemiological link.The cases must also be within a 14-day period where at least one case could have been “reasonably acquired their infection in the school.” That also includes transportation and before or after school care.Another case at St.