COVID-19 Outbreaks Rise 9% Last Week In Michigan, Sept. 27 Report Says


Michigan health officials reported 636 active outbreaks of COVID-19 last week, up 9% from the previous week, when there were 583.

The outbreak report on Monday, September 27, included 168 new clusters, of which 105 were linked to K-12 schools, 20 were linked to long-term care facilities and nine were linked to manufacturing / construction environments.

The same metrics pave the way for ongoing outbreaks from previous weekly reports, published online Monday afternoons by the Michigan Department of Health and Human Services. Other common settings for recent outbreaks include child / youth care programs, retail, and social gatherings.

An outbreak is generally defined as an instance in which two or more cases are linked by location and time, indicating shared exposure outside of a household.

Some settings, such as nursing homes and youth programs, are easier to track outbreaks because of the testing requirements. Others, like social gatherings, bars and restaurants, are more difficult. Thus, the state warns that its number of epidemics is probably lower than the reality.

Related: 614 people infected in 106 new COVID outbreaks in Michigan schools, according to September 27 report

As of last week, the state has identified 106 new school-related COVID outbreaks, resulting in the infection of 614 students and staff. New outbreaks were identified in 41 counties, while ongoing clusters covered 49 of the state’s 83 counties.

Below is an interactive map of the active COVID outbreaks noted in the School Outbreaks Report for September 27. Hover over a colored dot to see the school and how many cases were linked to the given outbreak.

Can’t see the map? Click here

Outside of K-12 schools and colleges, the MDHHS does not identify specific locations or the number of coronavirus cases. However, it lists information by eight health district regions in the state. (Note that these regions have different numbers than the MI Safe Start plan.)

By region, the distribution of clusters:

  • Region 1 (Clinton, Eaton, Gratiot, Hillsdale, Ingham, Jackson, Lenawee, Livingston and Shiawassee counties): 99 clusters, with 17 new outbreaks and 82 ongoing.
  • Region 2N (Macomb, Oakland and St. Clair counties): 58 clusters, with 15 new outbreaks and 43 ongoing.
  • Region 2S (City of Detroit and Monroe, Washtenaw and Wayne Counties): 66 clusters, with 18 new outbreaks and 48 ongoing.
  • Region 3 (Saginaw, Alcona, Iosco, Ogemaw, Arenac, Gladwin, Midland, Bay, Genesee, Tuscola, Lapeer, Sanilac and Huron counties): 130 clusters, with 40 new outbreaks and 90 ongoing.
  • Region 5 (Allegan, Barry, Calhoun, Branch, St. Joseph, Cass, Berrien, Van Buren and Kalamazoo counties): 56 clusters, with eight new outbreaks and 48 ongoing.
  • Region 6 (Clare, Ionia, Isabella, Kent, Lake, Mason, Mecosta, Montcalm, Muskegon, Newaygo, Oceana, Osceola and Ottawa counties): 124 clusters, with 37 new outbreaks and 87 ongoing.
  • Region 7 (Counties of Manistee, Wexford, Missaukee, Roscommon, Benzie, Leelanau, Grand Traverse, Kalkaska, Crawford, Oscoda, Antrim, Otsego, Montmorency, Alpena, Presque Ilse, Cheboygan, Emmet and Charlevoix): 44 groups, including 15 new and 29 ongoing epidemics.
  • Region 8 (Upper Peninsula): 59 clusters, with 18 new outbreaks and 41 ongoing outbreaks.

By category, the households totaled:

  • 297 clusters (106 new and 191 ongoing) in K-12 schools or colleges. A total of 289 outbreaks involved K-12 schools, the remaining eight outbreaks on or around college campuses.
  • 114 clusters (20 new and 94 ongoing) in long-term care facilities, which include skilled nursing facilities and assisted living facilities, adult daycares and group homes.
  • 46 clusters (nine new and 37 ongoing) were linked to manufacturing or construction sites.
  • 37 clusters (three new and 34 ongoing) occurred in daycares or youth programs not associated with a school.
  • 31 clusters (seven new and 24 ongoing) involved retail businesses.
  • 15 clusters (five new and 10 ongoing) were at health care sites, which would include hospitals, doctor’s and dental offices, dialysis centers and other facilities providing health care services.
  • 14 clusters (two new and 12 ongoing) related to private social gatherings, such as a wedding, funeral or party.
  • 12 clusters (three new and nine ongoing) were linked to bars or restaurants.
  • 11 clusters (two new and nine ongoing) related to an outdoor community exhibition such as a concert, rally, demonstration, parade, etc.
  • 11 clusters (one new and 10 ongoing) in prisons and prisons.
  • Eight clusters (two new and six ongoing) in offices.
  • Five groups (all ongoing) in migrant camps or other agricultural workplaces, such as food processing factories.
  • Four clusters (all ongoing) related to personal services, such as a hair and / or manicure salon, or a gym or spa.
  • Four clusters (one new and three ongoing) in homeless and other shelters.
  • Three groups (all ongoing) associated with religious services.
  • An ongoing cluster linked to an indoor community exhibit such as a concert, meeting, etc.

Outbreaks will be removed from the database if there are no additional cases within a 14-day period, state officials from the MDHHS said.

State officials note that the graph does not provide a complete picture of outbreaks in Michigan, and the absence of an outbreak identified in a particular setting does not prove that the setting does not have outbreaks.

“Many factors, including the lack of the ability to perform effective contact tracing in certain settings, can lead to significant underreporting of outbreaks,” the state’s website read.

For more statewide data, visit MLive’s coronavirus data page, here. To find a testing site near you, check out 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.

Learn more about MLive:

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