Friday, February 26, coronavirus data by Michigan county: The state’s 7-day average of new cases is back above 1,000

For the first time in two weeks, Michigan’s seven-day average of new COVID-19 cases is over 1,000 cases per day.

That average is now 1,037, a 23% increase from an average of 844 a week ago.

The statewide seven-day average positivity rate on coronavirus diagnostic tests is now 3.4%, down slightly from 3.5% a week ago today. today.

Below is a closer look at county-level data, based on two of the measures 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 (more than 20%): none.
  • Level D (15-20%): None.
  • Level C (10-15%): Kalkaska, Keweenaw and Cheboygan.
  • Tier B (7-10%): Five counties, from highest to lowest — Missaukee, Près Isle, Huron, Lapeer and Gogebic.
  • Tier A (3-7%): 43 counties, highest to lowest — Wexford, Tuscola, Hillsdale, Eaton, Calhoun, Cass, Ingham, Newaygo, St Joseph, Roscommon, Kalamazoo, Mecosta, Lenawee, Shiawassee, Van Buren, Jackson, Livingston, Macomb, Bay, Berrien, St Clair, Allegan, Wayne, Sanilac, Genesee, Saginaw, Luce, Alpena, Crawford, Arenac, Houghton, Otsego, Kent, Ontonagon, Ionia, Monroe, Clinton, Barry, Gladwin , Oakland, Mason, Ottawa and Grand Traverse.
  • Low (less than 3%): 32 counties, highest to lowest — Oceana, Midland, Clare, Baraga, Branch, Mackinac, Osceola, Benzie, Muskegon, Montmorency, Isabella, Dickinso, Emmet, Gratiot, Delta, Lake , Charlevoix, Washtenaw , Antrim, Montcalm, Iosco, Leelanau, Chippewa, Alcona, Ogemaw, Manistee, Menominee, Marquette, Iron, Alger, Oscoda and Schoolcraft.

The table below lets you search for any county by name to see the seven-day average positivity rate from February 18-24. 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

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

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

Tiers for each county:

  • Tier E (over 150 cases per million): 13 counties, highest to lowest –Keweenaw, Missaukee, Cheboygan, Sanilac, Houghton, Gogebic, Lapeer, Lenawee, Kalkaska, Newaygo, Cass, Washtenaw and Jackson.
  • Level D (70 to 149 cases per million): 42 counties — Hillsdale, Bay, Calhoun, Almost Isle, Leelanau, Roscommon, Eaton, Ionia, Mackinac, Kent, Barry, Huron, St. Joseph, Grand Traverse, Saginaw, Ingham , Macomb, Tuscola, Berrien, Livingston, Kalamazoo, Osceola, Ottawa, Midland, Arenac, Alpena, Wayne, Antrim, Shiawassee, Gladwin, Mecosta, Benzie, Genesee, Van Buren, Oakland, Branch, Oceana, St. Clair, Allegan, Otsego, Ontonagon, Emmet and Clinton.
  • Level C (40 to 69 cases per million): 12 counties — Wexford, Dickinson, Monroe, Clare, Crawford, Gratiot, Mason, Montcalm, Isabella, Baraga, Lake and Montmorency.
  • Level B (20 to 40 cases per million), 11 counties: Delta, Menominee, Muskegon, Oscoda, Charlevoix, Iosco, lcona, Iron, Marquette, Manistee and Chippewa.
  • Level A (7 to 20 cases per million): None.
  • Low (less than 7 cases per million): Ogemaw, Luce, Schoolcraft and Algiers.

Here is 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 per capita number that adjusts for population. The arrows indicate whether the total number of new cases reported in the past seven days has increased or decreased from the previous seven days.

Current scores are based on new cases reported from February 19-25. The map below is shaded according to the six levels of the state. The arrows indicate whether the total number of new cases reported over the past seven days has increased or decreased from February 12-18.

Readers can hover their cursor over a county to see the underlying data. (Tip: you can drag the map with your cursor to see the whole UP)

Below are online databases that allow readers to search county-level data for each of the past 30 days.

Overall score

Six of Michigan’s eight MI Start regions are now at a lower risk level after three months at the highest level the state uses to assess coronavirus risk.

The Detroit, Grand Rapids, Kalamazoo, Saginaw, Traverse City and Upper Peninsula areas were downgraded from Tier E to Tier D last week. This leaves the Lansing and Jackson regions still at level E.

In assigning risk scores, the Michigan Department of Health and Human Services looks at 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 the MDHHS has six levels — “low” plus the AE levels. As of November 4, all eight MI Start regions in Michigan were at Level E.

(The state’s MI Start districts: Region 1 is Detroit Area; Region 2 is Grand Rapids; Region 3, Kalamazoo; Region 4, Saginaw; Region 5, Lansing; Region 6, Traverse City Region 7, Jackson and Region 8, Upper Peninsula.)

Cases per day 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 fell ill a few days prior.

You can call up a graph 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 (decreasing) number of new daily cases, following retroactive reclassification by the Michigan Department of Health and Human Services. In these cases, we subtracted cases of the previous date and put 0 in the reported date.)

The following table below shows new cases in the past 30 days based on symptom onset. In this chart, numbers for the most recent days are incomplete due to the lag between people getting sick and getting a confirmed coronavirus test result, which can take up to a week or more.

You can call up a graph 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 Department of Epidemiology, which has access to subcounty data collected by the Michigan Department of Health and Human Services.

The interactive maps break the state down into 10 kilometer hexagons to provide a more localized view of where coronavirus cases are occurring. You can click here to access the research project website.

The first map looks at 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.

Last daily report

On Wednesday, February 24, the state reported 1,245 new coronavirus cases and nine 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 numbers behind it.

For more statewide data, visit MLive’s coronavirus data page, here. To find a testing site near you, visit the state’s online test finder, here, email [email protected], or call 888-535-6136 between 8 a.m. and 5 p.m. h on weekdays.

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

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