Michigan updates its Recovered metric weekly and does not update any data on Sundays.
Our source for Now hospitalized and Now in ICU data in Michigan generally updates on Mondays and Fridays only.
Michigan combines PCR and antigen tests in the total tests figure reported on the state's dashboard.
On October 29, 2020, Michigan experienced connectivity issues resulting in some cases that would have been reported tomorrow to be reported today. This is due to the fact that the state has a strict 10AM cutoff for daily data reporting. This means the daily increase in cases encompasses more than one day's worth of data.
On October 15, 2020, Michigan announced that due to a laboratory result processing slowdown, several cases that would normally have been included in the October 14, 2020 update were reported on October 15, 2020. The issue has since been resolved. Aa a result, cases reported on October 15, 2020 may not have been reported within the last 24 hour period.
As of July 7, 2020, Michigan updates its death figures three times a week after conducting reviews of death certificates. As a result, "new" deaths may not always reflect deaths in the past 24 hours.
On June 11, 2020, we updated our historical data from a spreadsheet provided by Michigan's Department of Health and Human Services in order to reflect the lab-reported dates of probable and confirmed cases and probable and confirmed deaths by date of death.
Since March 10, 2020, Michigan has reported each day's Positive and Negative tests (people) by county but has never totaled these metrics for the state. We add new Positive and Negative tests (people) values daily to a running sum and report the total.