Experts recommend that at least 90 percent of new COVID-19 cases are traced within 48 hours to contain the virus. A majority of Michigan counties are considered at a “medium” risk for a COVID-19 outbreak, according to the data. A screenshot of Covid Act Now's map of the United States and colored according to their "Covid Risk Level." Michigan is now labeled at "high risk" for virus spread, according to data from Covid Act Now. Most of the country is at "high" risk for a COVID-19 outbreak, or is currently experiencing or facing an imminent outbreak.