Tuesday, March 9, coronavirus data by Michigan county: daily average of new cases up 56% since February 20


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As Michigan’s fall / winter coronavirus wave came to a halt, the seven-day moving average of new cases fell to 814 on February 20.

But since then the seven-day average has increased. It is now 1,266, up 56% in 17 days.

Meanwhile, the statewide seven-day average positivity rate on coronavirus diagnostic tests is now 4.2% down from 3.4% a week ago today, another disturbing sign.

And 935 people are currently hospitalized for a confirmed or suspected coronavirus, up from 824 at the end of February.

The increase in numbers is likely the result of a combination of factors, starting with people getting tired of COVID-19 restrictions and letting their guard down, experts say. Other factors that may contribute: the spread of more contagious variants; the recent resumption of indoor catering and high school sports; the reopening of cinemas, casinos and bowling alleys,

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 (more than 20%): none.
  • Level D (15-20%): Missaukee.
  • Level C (10-15%): Kalkaska.
  • Level B (7-10%): 13 counties, highest to lowest: Huron, St Joseph, Ontonagon, Newaygo, Roscommon, St Clair, Cass, Tuscola, Crawford, Cheboygan, Hillsdale, Alcona and Wexford.
  • Level A (3-7%): 42 counties, highest to lowest – Calhoun, Gogebic, Lapeer, Shiawassee, Livingston, Luce, Van Buren, Berrien, Macomb, Kalamazoo, Allegan, Osceola, Sanilac, Genesee, Ingham , Midland, Monroe, Arenac, Wayne, Otsego, Saginaw, Bay, Eaton, Oceana, Mason, Jackson, Antrim, Branch, Lenawee, Kent, Gladwin, Clare, Oakland, Mecosta, Ottawa, Barry, Presque Isle, Grand Traverse, Clinton , Benzie, Montmorency and Ionie.
  • Low (less than 3%): 26 counties, highest to lowest – Iosco, Montcalm, Lake, Muskegon, Leelanau, Manistee, Houghton, Mackinac, Alpena, Menominee, Gratiot, Isabella, Emmet, Delta, Baraga, Dickinson , Washtenaw, Chippewa, Ogemaw, Marquette, Charlevoix, Alger, Iron, Keweenaw, Oscoda and Schoolcraft.

The graph below lets you search any county by name to see the seven-day average positivity rate for February 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

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

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

Levels for each county:

  • Level E (over 150 cases per million): 21 counties, highest to lowest – Kalkaska, Sanilac, Missaukee, Newaygo, St. Joseph, Calhoun, Monroe, Crawford, St. Clair, Tuscola, Gogebic, Lenawee, Wexford , Huron, Cass, Midland, Berrien, Lapeer, Shiawassee, Livingston and Macomb.
  • Level D (70 to 149 cases per million): 36 counties – Antrim, Bay, Saginaw, Osceola, Grand Traverse, Jackson, Roscommon, Kalamazoo, Ingham, Allegan, Wayne, Van Buren, Barry, Cheboygan, Genesee, Eaton, Hillsdale , Kent, Ottawa, Otsego, Montmorency, Oakland, Ionia, Ontonagon, Houghton, Washtenaw, Clinton, Arenac, Lake, Gladwin, Mason, Mecosta, Benzie, Branch, Oceana and Montcalm.
  • Level C (40 to 69 cases per million): 12 counties – Keweenaw, Isabella, Delta, Alpena, Schoolcraft, Mackinac, Leelanau, Manistee, Charlevoix, Gratiot, Chippewa and Marquette.
  • Level B (20 to 40 cases per million), eight counties: Muskegon, Emmet, Presque Isle, Algiers, Menominee, Dickinson, Clare and Alcona.
  • Level A (7 to 20 cases per million): Oscoda, Iosco and Ogemaw.
  • Low (less than 7 cases per million): Iron, Luce and Baraga.

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 per capita number that adjusts 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.

Current scores are based on new cases reported from March 2 to 8. 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 23-March 1.

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 entire UP)

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

Overall score

Michigan’s eight MI Start regions are now at Level D in the state’s Comprehensive Risk Assessment.

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 visits to medical services. emergency for COVID-19 symptoms. The scale used by the MDHHS has six levels: “low” plus the AE levels.

(State MI Start Districts: Region 1 is Region Detroit; 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 a few days ago.

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, as a result of retroactive reclassification by the Michigan Department of Health and Human Services. In these cases, we subtracted the cases from the date previous and put 0 in the date of the report.)

The following graph below shows new cases over the past 30 days based on symptom onset. In this graph, numbers for the most recent days are incomplete due to the time 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 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 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 access 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 Monday, March 8, the state reported 1,960 new cases of coronavirus and four deaths for Monday and Tuesday.

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, visit the 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:

COVID-19 is reshaping Michigan. This is not the first epidemic to do so.

To marry or not to marry ?: How 6 brides navigate marriages during a pandemic

7 Things to Know About Michigan’s Expansion of Eligible Vaccine to People 50 and Over

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