Coronavirus: Record number of tests forces Winnipeg site to redirect patients Manitoba’s Chief Public Health Officer, Dr. Brent Roussin, has been urging people who have symptoms to be tested, but says those who are asymptomatic shouldn’t be unless they’ve been directed to do so.There were 1,447 tests done on Tuesday in Manitoba.Winnipeg’s four testing sites are MPI Drive-Thru Community Testing Site at 1284 Main St.; Pembina Testing Site at 2735 Pembina Hwy.; Thunderbird House at 705 Main St.; and St.