Tuesday, March 16, coronavirus data by Michigan county: New cases up 47% in one week

The surge in Michigan’s coronavirus numbers is escalating.

The state’s seven-day average is up 47% from a week ago. The state reported 12,566 new cases in the past seven days, up from 8,864 cases the previous week.

Michigan now has an average positivity rate of 5.5% for COVID-19 diagnostic tests, compared to 4.2% a week ago today. As of Sunday, 7.1% of reported coronavirus test results were positive.

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Among the most populous counties in the state, Oakland cases are up 60% in the past seven days from the previous week, Macomb 59%, Genesee 53%, Ingham 49%, Wayne 38%, and Wayne by 30%. in the counties of Kent, Ottawa and Kalamazoo.

Washtenaw is only up 13% and continues to have a relatively low case rate compared to most of the state.

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%): Missaukee and Huron.
  • Level D (15-20%): Wexford.
  • Level C (10-15%), eight counties from highest to lowest: St. Clair, Lapeer, Cass, Tuscola, Newaygo, Otsego, Roscommon and Cheboygan.
  • Level B (7-10%): 15 counties, highest to lowest – Macomb, Osceola, Calhoun, Kalkaska, Sanilac, Genesee, Hillsdale, Allegan, Livingston, Van Buren, Clinton, Central Plateau, St. Joseph, Kalamazoo, and Zweig.
  • Level A (3-7%): 33 counties, highest to lowest – Ingham, Wayne, Eaton, Monroe, Berrien, Ontonagon, Luce, Jackson, Leelanau, Bay, Oakland, Gladwin, Ottawa, Crawford, Muskegon, Charlevoix, Saginaw, Mason, Shiawassee, Kent, Mecosta, Grand Traverse, Lake, Arenac, Lenawee, Ogemaw, Oceana, Gogebic, Clare, Barry, Montcalm and Presque Isle.
  • Low (below 3%): 25 counties, highest to lowest – Emmet, Antrim, Delta, Ionia, Houghton, Isabella, Keweenaw, Benzie, Iosco, Manistee, Baraga, Alpena, Menominee, Washtenaw, Dickinson, Gratiot, Chippewa, Alcona, Schoolcraft, Marquette, Eisen, Alger, Mackinac, Montmorency and Oscoda.

In the table below, you can search each county by name to see the seven day average positivity rate for March 8-14. The graph 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): 38 counties, highest to lowest – Missaukee, Huron, Wexford, St. Clair, Otsego, Sanilac, Calhoun, Roscommon, Cass, Cheboygan, Lapeer, Macomb, Newaygo, Osceola, Tuscola, Monroe , Jackson, Livingston, Ingham, St. Joseph, Leelanau, Genesee, Kalkaska, Wayne, Berrien, Kalamazoo, Bay, Eaton, Antrim, Allegan, Clinton, Saginaw, Central Plateau, Oakland, Grand Traverse, Van Buren and Crawford.
  • Level D (70 to 149 cases per million): 23 counties – Kent, Lenawee, Hillsdale, Ottawa, Keweenaw, Shiawassee, Zweig, Charlevoix, Ontonagon, Ionia, Barry, Lake, Washtenaw, Delta, Baraga, Isabella, Mecosta, Montcalm, Muskegon, Ogemaw, Benzie, Gogebic and Oceana.
  • Level C (40 to 69 cases per million): Eight counties – Mason, Emmet, Houghton, Arenac, Menominee, Manistee, Iosco and Gladwin,
  • Tier B (20 to 40 cases per million), nine counties: Dickinson, Chippewa, Clare, Oscoda, Marquette, Presque Isle, Montmorency, Alpena, and Alcona.
  • Level A (7 to 20 cases per million): Schoolcraft, Gratiot, and Iron.
  • Low (below 7 cases per million): Alger, Mackinac, and Luce.

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 March 9-15. 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 March 2-8.

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

Seven out of eight MI launch regions in Michigan are now at D level on the state’s overall risk rating. The upper peninsula is at level C.

When assigning risk ratings, the Michigan Department of Health takes into account 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 from 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 Monday, March 15, the state reported 3,143 new cases of coronavirus and nine deaths for Sunday and Monday.

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 between 8:00 a.m. and 5:00 p.m. on weekdays.

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

Read more about MLive:

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