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This page is subject to change as a result of the end of the Public Health Emergency Order on 5/11/2023. Data will be updated as usual the week of 5/8/2023, and changes will go into effect the week of 5/15/2023. Anticipated changes are described below.
Publishing MIS-C surveillance has provided awareness of the condition and severe COVID outcomes for the public and providers. This surveillance will continue; however, this page will no longer be updated after 5/11/2023. Providers can access MIS-C resources here MIS-C Children (michigan.gov).
What is MIS-C?
“Multisystem Inflammatory Syndrome in Children (MIS-C) is a delayed hyperinflammatory condition in children and adolescents that occurs 2-6 weeks after SARS-CoV-2 infection. Children with MIS-C typically present with fever and various other symptoms, including abdominal (gut) pain, bloodshot eyes, diarrhea, dizziness, skin rash or vomiting. Not all children have the same symptoms. MIS-C can be serious, but most children who are diagnosed get better with medical care.
Health care providers and local health departments are asked to maintain a high degree of suspicion for MIS-C in pediatric and adolescent patients presenting with symptoms similar to Kawasaki Disease or ill individuals who have been previously exposed to COVID-19 with signs and symptoms. Patients have presented with fever, shock, multiorgan (cardiac, gastrointestinal, hematologic and dermatologic) involvement, and elevated inflammatory markers.”
Reported Cases of Multisystem Inflammatory Syndrome in Children (MIS-C)
| # Cases Confirmed and Reported to CDC* | 329 |
|---|---|
| MIS-C associated Deaths | 5 or fewer |
| Cases admitted to ICU | 201 (61.1%) |
| Onset Date Range | 4/14/20 to 4/21/2023 |
| Age Range | 0-20 years |
*Meets CDC Case Definition(s)
Current (2023) Definition: https://www.cdc.gov/mis/mis-c/hcp_cstecdc/index.html
2020 Definition**:https://emergency.cdc.gov/han/2020/han00432.asp
** 2020 Definition only applies for cases with illness onsets prior to Jan 1, 2023
| Age Group | Count | % | Race | Count | % |
| <1 yrs | 14 | 4.3% | Black/African American | 112 | 34.1% |
| 1-4 yrs | 86 | 26.1% | Caucasian | 160 | 48.6% |
| 5-11 yrs | 154 | 46.8% | All Others / Unknown | 57 | 17.3% |
| 12-15 yrs | 56 | 17.0% | |||
| 16-20 yrs | 19 | 5.8% | |||
| Gender | Counts | % | Ethnicity | Count | % |
| Male | 203 | 61.7% | Not Hispanic or Latino | 244 | 74.2% |
| Female | 126 | 38.3% | Hispanic or Latino | 28 | 8.5% |
| Unknown | 0 | 0.0% | Unknown | 57 | 17.3% |
Red shading indicates the expected reporting lag for new cases. Cases with onset dates in this time period may not have been detected or reported yet.