Masks recommended in just 1 Michigan county this week, CDC says

Hospitalizations and cases are down in Michigan, which is why the Centers for Disease Control and Prevention has only one county at a high COVID-19 community level this week.

Michigan last week had seven counties at a high.

The CDC uses community levels to determine COVID risk, placing counties in one of three buckets: low (green), medium (yellow), or high (orange).

The CDC recommends masking indoors in public when counties are at a high community level, regardless of vaccination status. However, people with symptoms, a positive test, or exposure to someone with COVID-19 should wear a mask regardless of where they live, according to the CDC.

The only county at a high level this week is Monroe County, which is in Michigan’s southeast corner.

Here is the latest map showing the community level for each county in Michigan. Tap or hover over a county to see details.

(Can’t see the map? Click here.)

Michigan has 25 counties at a medium level and 57 counties at a low COVID-19 community level this week.

As the map shows, mid-level counties are clustered in southeast Michigan, plus a few more along US 131 and a small cluster near the Mackinaw Bridge.

The CDC considers cases and hospitalizations when determining the risk of COVID for an area. The aim is to prevent serious illnesses and limit the pressure on hospitals.

For community levels, the CDC looks at three factors for each county: the percentage of staffed hospital beds occupied by COVID patients, COVID hospital admissions per capita, and COVID cases per capita.

A county is at a high level when there are 200 or more new cases per 100,000 in the past week and either (A) more than 10 new COVID-19 hospital admissions per 100,000 or (B) when at least 10% of inpatient beds are occupied by COVID patients.

If hospitalizations are particularly high, even a county with low cases may be high, according to the CDC’s formula.

(Not all counties have hospitals, so each is assigned a health service area, a geographic region that contains at least one hospital. Counties receive the calculated metrics for the entire area, weighted by each county’s population (Example: Monroe The County Health Services area also includes the Toledo, Ohio area.)

Here’s more on where Michigan stands with COVID.

Michigan reports 1,615 new confirmed cases per day over the past week

New COVID cases fell 12.7% this week, to 1,615 new confirmed cases per day. This is the lowest rating since Independence Day week.

Michigan also reported 482 “probable” cases of COVID per day this week.

Cases are “confirmed” when there is a positive NAAT/RT-PCR test result. Cases are ‘probable’ when there is a reported (rapid) antigen test or someone has symptoms and has been exposed to someone with COVID-19.

All charts in this story except the first (which uses CDC case calculations) are based on “confirmed” numbers only.

The Michigan Department of Health and Human Services reports COVID cases once a week. The department announced 14,678 confirmed and probable cases this week.

Michigan has reported nearly 2.5 million confirmed COVID cases and more than 385,000 probable cases since the pandemic began.

The chart below shows the seven-day average of new confirmed COVID cases throughout the pandemic.

(Can’t see the board? Click here.)

Michigan ranks 8th in the United States for new cases per capita

Michigan has had the eighth highest number of new COVID cases per capita over the past week among the 50 U.S. states, according to The New York Times. Michigan ranked seventh last week.

The states with the highest COVID rates are Kentucky, New Jersey, Rhode Island, New York and North Carolina. The states with the lowest COVID rates right now are Nevada, Georgia, Arizona, Utah, Nebraska and Indiana.

For COVID hospitalizations per capita, Michigan ranks 10th this week. For COVID deaths per capita, Michigan was ranked third this week.

25 counties have seen the number of cases increase in the past seven days

Of Michigan’s 83 counties, 25 had more cases this week than last week.

All of Michigan’s largest counties have seen declines in new cases. Wayne County fell 4% and Oakland County fell 7%. The following large counties have all seen cases drop by 10% or more: Macomb, Kent, Washtenaw, Kalamazoo, Genesee, Ingham, St. Clair, Saginaw, Livingston, Ottawa, Jackson, Muskegon, Calhoun and Berrien counties.

It was mainly the smaller counties that saw their weekly cases double: counties Antrim, Ogemaw, Luce, Algiers, Benzie, Gogebic, Baraga and Alcona all increased by 100% or more for new cases compared to the week last.

Consult the database below to search/sort case totals by county. The graph also shows the percentage change from week to week and the seven-day average of cases per capita.

(Don’t see the database? Click here.)

23 Michigan counties most at risk of cases

There are 23 counties at the highest risk level (Level E) for cases, up from 24 counties last week.

The MDHHS has five levels of risk for COVID cases:

  • Level A: 7 to 19 cases per day per million inhabitants
  • Level B: 20 ​​to 39 cases per day per million
  • Level C: 40 to 69 cases per day per million
  • Level D: 70-149 cases per day per million
  • Level E: 150+ cases per day per million

The counties with the highest COVID rates this week were Wayne, Eaton, Ogemaw, Schoolcraft and Macomb counties. All five were above 200 cases per day, per 1 million population.

The lowest COVID rates this week were in Alpena, Leelanau, Charlevoix, St. Joseph and Cheboygan counties.

The map below is shaded by the state’s six risk assessment levels from A to E. This is based on new cases reported per day and per million people from September 21-27.

Arrows on each county indicate whether new cases this week were up or down from the previous week. Place your cursor over a county to see the underlying data. (Tip: drag the map with your cursor to see the whole UP)

(Can’t see the map? Click here.)

The total number of COVID cases does not tell the whole story. Home tests are not reported, so they are not included in the data. This is why it is also essential to examine the percentage of positivity of the tests reported and the data on hospitalizations and deaths.

The average test positivity is 15%

On Monday, September 26, approximately 15% of reported COVID tests in Michigan came back positive. Until this week, the positivity rate had been above 15% since the beginning of July.

The positivity rate hovered between 14% and 15% last week.

The World Health Organization considers substantial-level community transmission when positivity rates are above 5%.

Michigan’s rate peaked at 35% in January. It fell as low as 2% in early March before rising again.

The chart below shows the percentage of reported COVID-19 tests that came back positive throughout the pandemic.

(Can’t see the board? Click here.)

The highest positivity rates in Michigan this week were in Eaton, Luce, Clinton, Hillsdale, Van Buren and Kalamazoo counties. The lowest positivity rates were in Iron, Mackinac, Alpena, Baraga and Lenawee counties.

To see the COVID test positivity rate for your county, see the searchable table below.

(Don’t see the database? Click here.)

The interactive map below shows the seven-day average testing rate by county. Place your cursor over a county to see details.

(Can’t see the map? Click here.)

Hospitals treating 1,071 adult patients with confirmed or suspected COVID-19

Michigan had 1,071 adults with COVID in hospitals as of Wednesday, September 28. This is the least in Michigan since late July.

Of those 1,071 patients, 137 were in intensive care and 47 were on a ventilator.

There were also 32 children hospitalized with COVID in Michigan on Wednesday.

Michigan reports 18 new COVID deaths per day over the past week

Michigan has averaged 18 COVID deaths per day over the past week, up slightly from 17 per day last week.

During omicron’s peak in January, Michigan averaged more than 100 COVID deaths per day.

Michigan has recorded 35,220 confirmed COVID-19 deaths and 3,404 probable COVID deaths since the pandemic began. In other words, about one in every 285 Michigan residents has died of confirmed COVID.

Below is a graph illustrating the seven-day average of reported deaths throughout the pandemic.

(Can’t see the board? Click here.)

Vaccinations: 63.5% of residents received at least one dose

About 63.5% of Michigan residents have received at least one COVID vaccine, 58.5% have received the full original regimen and 34.3% have been boosted.

The omicron-specific COVID-19 booster is now available in Michigan from Pfizer and Moderna. More than 300,000 Michiganders have gotten the dual booster so far.

The new vaccines are licensed for use as a single booster dose, given at least two months after a previous COVID vaccine. Moderna’s shot is permitted for ages 18 and older, while Pfizer’s is restricted to ages 12 and older.

Below is a vaccination breakdown by age group of Michiganders who have received at least one vaccine (initiated) and those who are “completed”, i.e. two mRNA vaccines or one Johnson vaccine & Johnson, to Wednesday, September 28.

  • 75 years and over: 87.2% insiders; 81.5% complete
  • 65 to 74: 90.5% initiates; 85.7% complete
  • 50 to 64: 76.9% initiated; 72.4% complete
  • 40 to 49: 67.7% initiated; 62.6% complete
  • 30 to 39: 66.0% insiders; 59.7% complete
  • 20 to 29: 55.7% initiated; 49.5% complete
  • 16 to 19: 56.7% initiates; 51.7% complete
  • 12 to 15: 49.8% initiates; 46.2% complete
  • 5 to 11: 30.4% initiates; 27.5% complete
  • Less than 5 years: 6.7% initiated, 2.0% completed

Below is a table that ranks counties from most vaccinated to least vaccinated.

(Can’t see the board? Click here.)

For more statewide data, visit MLive’s coronavirus data page.

To find a testing site near you, visit the state’s online test search, email [email protected], or call 888-535-6136 between 8 a.m. and 5 p.m. weekdays. .

If you have questions about COVID-19, please submit them to [email protected] to consider for future MLive reports.


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