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Recent Articles

  • 11/20/25 Provider Alert: Case of H5N5 Influenza Confirmed in Washington

    11/20/25 Provider Alert: Case of H5N5 Influenza Confirmed in Washington

    Current Situation On November 13, 2025, a Washington resident who has been hospitalized with respiratory illness symptoms since early November tested positive for influenza A H5, a type of avian influenza. Subsequent sequencing confirmed the patient was infected with H5N5 influenza virus. To our knowledge, this is the first known human case of H5N5. The…

  • Provider Alert: Infant Botulism Associated with ByHeart Infant Formula

    Provider Alert: Infant Botulism Associated with ByHeart Infant Formula

    11/13/2025 This is a Provider Alert from the Washington State Department of Health (WA DOH) regarding multiple cases of infant botulism after consuming ByHeart Whole Nutrition Infant Formula. Current SituationOn November 8th, 2025, the Centers for Disease Control and Prevention (CDC) announced an outbreak of infant botulism linked to infant formula. Since August 2025, at…

  • Health Advisory: Be Alert for Mpox: Clade I Mpox Virus Detected in Wastewater; Rise in Cases of Clade II Mpox

    Health Advisory: Be Alert for Mpox: Clade I Mpox Virus Detected in Wastewater; Rise in Cases of Clade II Mpox

    09/29/2025 This is a Provider Alert from the Washington State Department of Health (WA DOH) Office of Infectious Disease. WA DOH is requesting that providers remain alert for cases of mpox due to: Current Situation: Mpox (formerly “monkeypox”), the infection caused by the mpox virus (MPXV), has been circulating at low levels in Washington State…