21 COVID-19 cases in Oceana County. District Health Department #10 has reported 21 confirmed cases of COVID-19 in Oceana County as Tuesday afternoon, May 5. One COVID-19 death has been reported in Oceana County. Mason County has 14 positive COVID-19 cases, and Newaygo County has 32. Muskegon County has 317 confirmed cases of COVID-19 and 18 deaths as of Tuesday,…