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Michigan now has an average 5% positivity rate on COVID-19 diagnostic tests.
That’s the state’s highest seven-day average since Jan.31.
The seven-day average of new cases has also increased. and is now 1,636, up 34% from 1,132 a week ago and the highest seven-day average since February 3.
The number of coronaviruses in Michigan is increasing, but will vaccinations mitigate the impact?
Below is a more in-depth look at the county-level data, based on two of the metrics used by the Michigan Department of Health and Human Services.
First, a look at the seven-day average positivity rates by county, grouped by state metric.
- Level E (over 20%): Missaukee.
- Level D (15-20%): Huron and Wexford.
- Level C (10-15%), nine counties from highest to lowest: St Clair, Kalkaska, Newaygo, Ontonagon, Cass, Cheboygan, Lapeer and Otsego.
- Level B (7-10%): 14 counties, highest to lowest – Tuscola, Roscommon, Calhoun, Van Buren, St Joseph, Osceola, Macomb, Midland, Allegan, Sanilac, Hillsdale, Genesee, Kalamazoo and Branch.
- Level A (3-7%): 34 counties, highest to lowest – Berrien, Clinton, Monroe, Livingston, Jackson, Wayne, Luce, Ingham, Gladwin, Shiawassee, Ottawa, Crawford, Bay, Eaton, Saginaw, Leelanau , Oakland, Muskegon, Kent, Mason, Grand Traverse, Mecosta, Arenac, Presque Isle, Gogebic, Clare, Ogemaw, Barry, Lake, Charlevoix, Lenawee, Oceana, Manistee, Antrim and Montcalm.
- Low (less than 3%): 23 counties, highest to lowest – Alcona, Emmet, Delta, Keweenaw, Benzie, Isabella, Houghton, Ionia, Menominee, Alpena, Iosco, Dickinson, Washtenaw, Gratiot, Chippewa, Schoolcraft, Baraga, Montmorency, Marquette, Iron, Oscoda, Algiers and Mackinac.
The table below allows you to search any county by name for the seven-day average positivity rate from March 6 to 12. The graph compares the average of the last seven days to the average of the previous week.
The interactive map below shows the seven-day average testing rate by county. You can hover your cursor over a county to see the underlying data.
New cases per capita
Daily new cases per capita is another metric used by the Michigan Department of Health and Human Services to access coronavirus risk.
This metric calculates the average number of new cases per 1 million population.
Levels for each county:
- Level E (over 150 cases per million): 33 counties, highest to lowest – Missaukee, Huron, Wexford, Otsego, St. Clair, Sanilac, Calhoun, Cheboygan, Newaygo, Cass, Lapeer, Kalkaska, Monroe, Macomb , St. Joseph, Osceola, Jackson, Tuscola, Roscommon, Midland, Ontonagon, Van Buren, Livingston, Genesee, Saginaw, Berrien, Kalamazoo, Grand Traverse, Wayne, Bay, Allegan, Oakland and Ingham.
- Level D (70 to 149 cases per million): 30 counties – Lenawee, Leelanau, Clinton, Ottawa, Kent, Keweenaw, Antrim, Hillsdale, Eaton, Shiawassee, Branch, Barry, Washtenaw, Lake, Isabella, Ionia, Benzie, Baraga, Montcalm, Mecosta, Gogebic, Ogemaw, Crawford, Oceana, Delta, Charlevoix, Manistee, Menominee, Mason and Muskegon.
- Level C (40-69 cases per million): five counties – Houghton, Emmet, Arenac, Iosco and Presque Isle.
- Level B (20 to 40 cases per million), 10 counties: Gladwin, Oscoda, Marquette, Montmorency, Chippewa, Alpena, Clare, Alcona, Gratiot and Dickinson.
- Level A (7 to 20 cases per million): Schoolcraft and Iron.
- Low (less than 7 cases per million): Algiers, Mackinac and Luce.
Here’s an online database that allows readers to see the number of new coronavirus cases in the past seven days compared to the previous week, as well as the number per capita that is adjusting to the population. The arrows indicate whether the total number of new cases reported in the last seven days has increased or decreased compared to the previous seven days.
Current scores are based on new cases reported from March 7 to 13. The map below is shaded based on the six levels of state. Arrows indicate whether the total number of new cases reported in the past seven days has increased or decreased from February 28 to March 6.
Readers can hover their cursor over a county to see the underlying data. (Hint: you can drag the map with your cursor to see all of the TOP)
Below are online databases that allow readers to search county-level data for each of the past 30 days.
Overall score
Seven of Michigan’s eight MI Start regions are now at Level D in the state’s Comprehensive Risk Assessment. The upper peninsula is at level C.
In assigning risk scores, the Michigan Department of Health and Human Services examines factors such as new cases and deaths per capita, test positivity rates, number of tests administered, and emergency room visits for symptoms of COVID-19. The scale used by MDHHS has six levels – “low” plus AE levels.
(The state’s MI Start districts: Region 1 is the Detroit region; region 2 is Grand Rapids; region 3, Kalamazoo; region 4, Saginaw; region 5, Lansing; region 6, Traverse City ; Region 7, Jackson, and Region 8, the Upper Peninsula.)
Cases daily it was reported to the State
The first is a graph showing new cases reported to the state each day for the past 30 days. This is based on when a confirmed coronavirus test is reported to the state, which means the patient first became ill several days previously.
You can call up a chart for any county, and you can hover your cursor over a bar to see the date and number of cases.
(In a few cases, a county reported a negative (decrease) number of new daily cases, following a retroactive reclassification by the Michigan Department of Health and Human Services. In these cases, we subtracted the cases of the previous date and put 0 in the reported date field.)
The following table below shows new cases over the past 30 days based on symptom onset. In this graph, the numbers for the most recent days are incomplete due to the delay between illness and getting a confirmed coronavirus test result, which can take up to a week or more.
You can call up a chart for any county, and you can hover your cursor over a bar to see the date and number of cases.
More localized maps
Below are two maps created by the EpiBayes research group at the University of Michigan’s Department of Epidemiology, which has access to sub-county data collected by the Michigan Department of Health and Human Services.
The interactive maps break down the state into 10-kilometer hexagons to provide a more localized overview of where coronavirus cases are occurring. You can click here to go to the research project website.
The first map examines confirmed and probable coronavirus cases over the past week. You can click on a hexagon to see the underlying data.
You can use the triangle button at the top right of the map to switch to the second map, which shows the total number of confirmed coronavirus cases and deaths since the start of the pandemic.
Latest daily report
On Saturday March 13, the state reported 1,659 new cases of coronavirus and 38 deaths.
The map below shows the total number of confirmed coronavirus cases and deaths since the start of the pandemic. You can hover your cursor over a county to see the underlying numbers.
For more statewide data, visit MLive’s coronavirus data page, here. To find a testing site near you, check out the state’s online test finder, here, email [email protected] or call 888-535-6136 between 8 a.m. and 5 p.m. on weekdays.
For more data on COVID-19 in Michigan, visit https://www.mlive.com/coronavirus/data/.
Learn more about MLive:
The number of coronaviruses in Michigan is increasing, but will vaccinations mitigate the impact?
No, Johnson & Johnson coronavirus vaccine is not inferior, Michigan doctors say
COVID brides and industry professionals examine how the pandemic could change future marriages
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