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Filetype[PDF-2.60 MB]


  • English

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    • Description:
      As of September 30, 2020, there have been 22 confirmed cases in 2020. There are 49 reports of patients under investigation (PUIs) for 2020. Two patients with confirmed AFM died in the acute phase of their illness, one in 2017 and one in 2020. We have also learned of deaths in cases confirmed in previous years.

      There were 46 confirmed cases in 2019 out of 142 PUIs. CDC, state, and local health departments are still investigating some of the PUIs.

      There have been 639 confirmed cases since CDC began tracking AFM in August of 2014. CDC has been thoroughly investigating cases since that time. We have seen increases in AFM cases, mostly in young children, every two years.

      Annual AFM Cases by State

      Annual maps represent only cases for whom information was sent to and confirmed by CDC as of September 30, 2020. Patients under investigation are still being classified, and the case counts are subject to change. Cases of AFM have occurred in 49 states and the District of Columbia.

    • Content Notes:
      Annual AFM Cases by State -- Cases by Month, 2014-2019.
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