Michigan County coronavirus data Friday, Oct. 23: Kalamazoo turns red, Wayne shows improvement

As the coronavirus continues to spread in Michigan, the state has seen 69 of its 83 counties report an increase in cases over the past seven days compared to the previous week.

Thirteen counties, including nine in the Upper Peninsula, are averaging more than 25 new cases per 100,000 people per day. That qualifies them for the highest risk level — red — according to a metric developed by the Harvard Global Health Initiative to assess COVID-19 risk.

Kalamazoo County saw its seven-day average rise to 25.4 new cases per day per capita on Thursday, pushing them into the red. The county joined Calhoun (38), Cass (36) and Mecosta (32) as lower peninsula red counties.

To the north, red counties include Iron (85 cases per 100,000), Dickinson (81), Delta (63), Menominee (47), Marquette (46), Gogebic (45), Algiers (41), Ontonagon (40) and Mackinac (32).

Kent County moved from red to the second highest risk level, coded orange, with about 24 new cases per day.

Wayne County also fell one level, turning yellow with 9.5 new cases per 100,000 people per day. The state now has 20 counties in the yellow and no counties in the green.

The map below is shaded according to the Harvard Institute metric. The arrows indicate whether the total number of cases between October 16 and October 22 has increased or decreased compared to the previous seven days (October 9-October 15).

Readers can hover their cursor over a county to see the underlying data. If you don’t see the map, click here.

Latest news on coronavirus testing

According to data released by the Department of Health and Human Services, thirty-three counties remain at or above a 5% positive test rate for the coronavirus over the past week.

According to the US Centers for Disease Control and Prevention, these counties would not be safe to open schools.

Dickinson County remains at the highest test positivity (17.5%), followed by Delta (9.6%), Marquette (9.1%) and Mackinac (8.9%) of UP Les Worst counties on the Lower Peninsula include Cass (8.9%), Calhoun (8.5%) and Macomb (7.5%).

Other notable positive test rates include Kalamazoo (6.5%), Genesee (5.9%), Kent (5.8%), Oakland (5.0%, Wayne (4.8%) and Washtenaw (3 .7%).

Note: The number of positive tests does not correspond to confirmed cases, because the same patient can be tested more than once.

The map below shows the seven-day average testing rate by county. Again, readers can hover their cursor over a county to see the underlying data. If you don’t see the map, click here.

Below are online databases that allow readers to search county-level data for each of the past 20 days.

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 20 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. (As of Sept. 1, the state stopped reporting numbers on Sundays.)

(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 20 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.

Latest daily report

On Thursday, the state reported 1,873 new coronavirus cases and 43 new deaths.

The state’s seven-day average is now 1,682 cases and 22 deaths per day, up from an average of 1,293 cases and 13 deaths a week ago.

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 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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