Lockdown may be needed for Simcoe Muskoka after spike in COVID-19 cases, official says Simcoe-Muskoka's medical officer of health says a spike in COVID-19 cases in the region last week is "worrisome" and it may prompt him to ask the province to put the region back into lockdown. Social Sharing CBC News · Posted: Feb 24, 2021 10:43 PM ET | Last Updated: February 25 The Simcoe Muskoka District Health Unit has a 'very large number' of cases of the B117 variant, which was first detected in the United Kingdom, according to Dr. Charles Gardner, the region's medical officer of health.(Grant Linton/CBC) Simcoe Muskoka's medical officer of health says a spike in COVID-19 cases in the region last week is "worrisome" and it may prompt him to ask the province to put the region back into lockdown.