Masks mandatory in all Saskatchewan communities with a population over 5,000 A person or persons attended the sessions those days while infectious with the novel coronavirus, the SHA said.Parents and children who were at Minto Bowl on any of the specified dates must immediately self-isolate and either call HealthLine 811, their doctor or nursing practitioner to arrange for testing, health officials said.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]COVID-19 symptoms can develop from two to 14 days following exposure to the coronavirus.The SHA said it issued the public announcement due to an increased risk of exposure to the public.Health officials said it is not a commentary on a location or business or its.