Michigan coronavirus data for Wednesday, April 21: 56 counties trending down in case counts Updated 8:55 AM; Facebook Share Fifty-six of Michigan’s 83 counties have reported fewer new coronavirus cases in the past seven days compared to the previous week, and 65 counties have seen a drop in their coronavirus positivity rates during that time. Statewide, the daily average of new cases declined 14% from April 7-13 to April 14-20, while the seven-day positivity rate is now below 15%. That said, Michigan continues to rank No. 1 in the country for per-capita coronavirus cases, and hospitalizations and deaths-- which are lagging factors -- continue to rise. Below is a look at state and county numbers for new cases and positivity rates, as well as statewide numbers on hospitalizations, deaths and vaccinations..