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CDC: Acute Flacid Myelitis 2018/2019

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  • #16
    Source: https://www.cdc.gov/acute-flaccid-my...ses-in-us.html
    AFM Cases in U.S.

    On This Page
    Confirmed AFM cases that CDC has been made aware of as of June 28, 2019 with onset of the condition through May 31, 2019.


    There are 11 confirmed cases so far in 2019 (from CA (4 cases), MD, NE, NC, PA, TX, UT, and WV) out of 57 reports of PUIs.
    CDC is not aware of any deaths in confirmed AFM cases with illness onsets in 2018 or 2019. We have learned of deaths in cases confirmed in previous years. We ask that health departments send information about every death of an AFM case to CDC.


    2018 Cases
    • There have been 233 confirmed cases of AFM in 41 states in 2018.
      • Note: These 233 confirmed cases are among the total of 382 reports that CDC received of patients under investigation (PUIs).
      • Most patients under investigation have been classified, but CDC and state and local health departments are still investigating some of the PUIs.


    2018 Cases by State

    *Confirmed AFM cases as of June 28, 2019. Patients under investigation are still being classified, and the case counts are subject to change. One of the confirmed cases is a foreign resident (based on the country of usual residence) and therefore not included in the state map.
    State Case Counts


    We defer to the states to release additional information on cases as they choose.


    Cases by Year^

    There have been 570 confirmed cases since CDC began tracking AFM in August of 2014.




    CDC has been thoroughly investigating the AFM cases that have occurred since 2014, when we first noted a large number of cases being reported. We have seen increases in AFM cases, mostly in young children, every two years since 2014.

    Year Confirmed Cases States with Confirmed Cases
    2019 11 8
    2018 233 41
    2017 35 16
    2016 149 39 (and DC)
    2015 22 17
    2014 (Aug-Dec) 120 34
    ^ The case counts represent only those cases for which information has been sent to and confirmed by CDC. Case counts are preliminary and subject to change


    Cases by Month, 2014-2019

    Most patients had onset of AFM between August and October, with increases in AFM cases every two years since 2014. At this same time of year, many viruses commonly circulate, including enteroviruses, and will be temporally associated with AFM.
    The graph shows the number of AFM cases confirmed by CDC as of June 28, 2019, with onset of the condition through May 31, 2019.
    ^ Confirmed AFM cases that CDC has been made aware of as of June 28, 2019 with onset of the condition through May 31, 2019. The case counts are subject to change.
    * The data shown from August 2014 to July 2015 are based on the AFM investigation case definition: onset of acute limb weakness on or after August 1, 2014, and a magnetic resonance image (MRI) showing a spinal cord lesion largely restricted to gray matter in a patient age ≤21 years.
    † The data shown from August 2015 to present are based on the AFM case definition adopted by the Council of State and Territorial Epidemiologists (CSTE): acute onset of focal limb weakness and an MRI showing spinal cord lesion largely restricted to gray matter and spanning one or more spinal segments, regardless of age.
    For more information, visit the Case Definitions page.
    It is currently difficult to interpret trends of the AFM data. Collecting information about PUIs for AFM is relatively new. There may initially be more variability in the AFM data from year to year, making it difficult to interpret or compare case counts between years.



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    • #17
      Source: https://www.cdc.gov/acute-flaccid-my...ses-in-us.html

      There are 13 confirmed cases so far in 2019 (from CA (5 cases), MD, NE, NC, PA, TX (2 cases), UT, and WV) out of 76 reports of PUIs.

      *Confirmed AFM cases as of August 2, 2019. Patients under investigation are still being classified, and the case counts are subject to change. One of the confirmed cases is a foreign resident (based on the country of usual residence) and therefore not included in the state map.

      Comment


      • #18
        Source: https://www.cdc.gov/acute-flaccid-my...ses-in-us.html
        AFM Cases in U.S.

        Espaņol (Spanish)
        On This Page
        There are 22 confirmed cases so far in 2019 (CA [8 cases], GA, MD [3 cases], NC [2 cases], NE, PA, TX [4 cases], UT, WV) out of 102 reports of PUIs.
        No deaths were reported during the acute illness of patients with confirmed AFM who had limb weakness onset in 2018; however, there were two reports of patients confirmed with AFM in 2018 who had expired months after limb weakness onset. We have also learned of deaths in cases confirmed in previous years.


        2018 Cases

        • There have been 236 confirmed cases of AFM in 41 states in 2018.
          • Note: These 236 confirmed cases are among the total of 385 reports that CDC received of patients under investigation (PUIs).
          • Most patients under investigation have been classified, but CDC and state and local health departments are still investigating some of the PUIs.


        2018 Cases by State

        State Case Counts




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