Monday, March 8, coronavirus data by Michigan county: State’s positivity rate at 4% for first time in weeks

For the first time since Feb. 8, Michigan’s average positivity rate for coronavirus diagnostic tests is now 4% after seven days.

Over the past three and a half weeks, the rate was between 3.3% and 3.9%.

With the increase in the positivity rate, the 7-day average of new cases has also increased. The current figure is 1,210, an 11% increase from the 1,095 average a week ago. It is the first time in four weeks that the seven-day average has exceeded 1,200.

The nationwide average seven-day positivity rate for coronavirus diagnostic tests is now 4%, down from 3.5% a week ago today.

The following takes a closer look at the county-level data, which is based on two of the metrics used by the Michigan Department of Health and Human Services.

First, let’s look at the seven day average positivity rates by county, grouped by state metric.

  • Level E (over 20%): None.
  • Level D (15-20%): None.
  • Level C (10-15%): Missaukee.
  • Level B (7-10%): 11 counties, highest to lowest – Kalkaska, St. Joseph, Roscommon, Newaygo, Luce, Huron, Cass, Tuscola, Lapeer, Cheboygan, and Shiawassee.
  • Level A (3-7%): 48 counties, highest to lowest – Livingston, Hillsdale, St. Clair, Gogebic, Wexford, Berrien, Montmorency, Macomb, Calhoun, Allegan, Kalamazoo, Genesee, Bay, Ingham, Crawford, Arenac, Oceana, Wayne, Sanilac, Saginaw, Monroe, Osceola, Van Buren, Eaton, Kent, Mecosta, Lenawee, Mittelland, Leelanau, Jackson, Benzie, Antrim, Barry, Clinton, Gladwin, Oakland, See, Clare, Maurer, Grand Traverse, Branch, Alcona, Ottawa, Otsego, Presque Isle, Ionia, Iosco and Ontonagon.
  • Low (below 3%): 23 counties, highest to lowest – Montcalm, Delta, Muskegon, Houghton, Isabella, Emmet, Mackinac, Baraga, Gratiot, Washtenaw, Alpena, Charlevoix, Menominee, Ogemaw, Dickinson, Chippewa, Manistee, Alger, Eisen, Marquette, Keweenaw, Oscoda, and Schoolcraft.

Use the table below to search for counties by name to get the seven day average positivity rate for February 24th through March 2nd. The table compares the average of the last seven days with the average of the previous week.

The interactive map below shows the seven-day average testing rate by county. You can hover over a county to see the underlying data.

New cases per capita

New daily cases per capita is another metric used by the Michigan Department of Health to access coronavirus risk.

This metric calculates the average number of new cases per 1 million population.

The levels for each county:

  • Level E (over 150 cases per million): 17 counties, highest to lowest – Missaukee, Newaygo, Sanilac, St. Joseph, Kalkaska, Calhoun, Crawford, Bay, Cass, Tuscola, Lenawee, Monroe, Berrien, Lapeer, Gogebic, Antrim and Shiawassee.
  • Level D (70 to 149 cases per million): 37 counties – Midland, Macomb, St. Clair, Livingston, Roscommon, Saginaw, Cheboygan, Barry, Jackson, Wexford, Genesee, Grand Traverse, Montmorency, Ingham, Huron, Allegan, Kalamazoo , Wayne, Kent, Hillsdale, Ionia, Eaton, Arenac, Oakland, Osceola, Ottawa, Washtenaw, Van Buren, Gladwin, Houghton, Lake, Clinton, Benzie, Mecosta, Delta, Oceana and Mason.
  • Level C (40 to 69 cases per million): 15 counties – Otsego, Keweenaw, Isabella, Charlevoix, Zweig, Montcalm, Clare, Emmet, School Art, Mackinac, Gratiot, Alpena, Leelanau, Presque Isle, and Chippewa.
  • Tier B (20 to 40 cases per million), six counties: Marquette, Oscoda, Muskegon, Alger, Alcona, and Ontonagon.
  • Level A (7 to 20 cases per million): Menominee, Manistee, Iron, and Dickinson.
  • Low (below 7 cases per million): Ogemaw, Iosco, Luce, and Baraga.

Here is an online database where readers can see the number of new coronavirus cases in the past seven days compared to the previous week, as well as the per capita number that is adjusting for 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.

The current results are based on new cases reported between February 25 and March 3. The map below is shaded based on the six levels of the state. The arrows indicate whether the total number of new cases reported in the past seven days has increased or decreased compared to February 18-24.

Readers can hover over a county to see the underlying data. (Note: you can drag the map with the cursor to view the entire UP.)

The following are online databases that readers can use to retrieve data for the past 30 days at the district level.

total score

All eight MI launch regions in Michigan are now at D level on the state’s overall risk rating.

When assigning risk ratings, the Michigan Department of Health considers factors such as new cases and per capita deaths, test positivity rates, number of tests performed, and visits to the emergency room for COVID-19 symptoms. The scale used by MDHHS has six levels – “low” plus levels AE.

(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 on the day were reported to the state

The first is a table that shows 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 only got sick days before.

You can pull up a chart for each state and hover over a bar to see the date and number of cases.

(In some cases, after a retrospective reclassification by the Michigan Department of Health and Human Services, a county reported a negative number (decrease) in daily incidence. In those cases, we’ve subtracted cases from the previous date and entered 0 in the Reported Date field .)

The following table shows new cases for the past 30 days based on the occurrence of symptoms. In this table, the numbers for the past few days are incomplete because there is a delay between being sick and receiving a confirmed coronavirus test result, which can be up to a week or more.

You can pull up a chart for each state and hover 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 that have access to sub-county data collected by the Michigan Department of Health and Human Services.

The interactive maps divide the state into 10 kilometer long hexogons to give a more detailed overview of where coronavirus cases occur. You can click here to go to the research project’s website.

The first card shows confirmed and probable coronavirus cases in the past week. You can click a hexagon to view the underlying data.

You can use the triangle button in the top right of the map to switch to the second map, which shows the total number of confirmed cases and deaths of coronavirus since the pandemic began.

Last daily report

On Saturday, March 6, the state reported 1,280 new cases of coronavirus and 56 deaths.

The map below shows the total number of confirmed cases and deaths of coronavirus since the pandemic began. You can hover over a county to see the numbers behind it.

You can find more nationwide data here on MLive’s coronavirus data page. To find a testing site near you, check out the state’s online test finder. Send an email here to [email protected] or call 888-535-6136 on weekdays between 8:00 a.m. and 5:00 p.m.

For more information on COVID-19 in Michigan, please visit https://www.mlive.com/coronavirus/data/.

Read more about MLive:

COVID-19 is reshaping Michigan. It’s not the first epidemic to do this.

To marry or not to marry ?: How 6 Brides Navigate Weddings During a Pandemic

7 Things You Should Know About Michigan’s Vaccine Expansion From Age 50

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