Manitoba reports lowest daily COVID-19 case increase in months, with 45 new infections Manitoba's five-day test positivity rate dropped to 4.6 per cent from five per cent on Tuesday, while Winnipeg's dipped to four per cent from 4.3 on Tuesday, the province says. Social Sharing CBC News · Posted: Feb 24, 2021 12:31 PM CT | Last Updated: February 24 A paramedic does a nasal swab at a drive-thru COVID-19 test site. Since early last February, Manitoba has done more than half a million tests for the illness.(Justin Tang/The Canadian Press)