Science2014-2022United Stateshigh confidence

Since 2014, the CDC has recorded 692 confirmed cases of acute flaccid myelitis (AFM) in the United States.

Notes on verification

Figure matches original Smithsonian/CDC reporting and is independently corroborated by CDC STACKS archive, Medscape, and a state health advisory, all dated within the same September 2022 window. Note the count is a point-in-time snapshot that has since increased with continued CDC tracking.

Sources