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06/15/26 Health Advisory: Infant Botulism Associated with Nara Organics Infant Formula
Summary Actions requested Background Infant botulism is a rare illness where spores of Clostridium botulinum bacteria colonize and grow in an infant’s large intestine. These bacteria release a neurotoxin that causes symptoms like constipation, weakness (especially in sucking, crying, and swallowing), and loss of muscle tone. If untreated, the condition can lead to paralysis, trouble breathing, and…
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Health Advisory: Increase STEC Cases in Yakima County
05/21/2026 Actions Requested Situation The Yakima Health District is currently investigating an increase in STEC cases in Yakima County. From April through May, we have identified six STEC cases, compared to only one case during the same period last year. None of the individuals have reported any recent travel. We have not identified any common…
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05/13/26 Hantavirus exposure in King County residents
Situation There is an outbreak of Andes virus, a type of hantavirus, linked to the MV Hondius cruise ship. Three King County residents were potentially exposed. None of the exposed King County residents currently have symptoms of hantavirus. No other Washington residents have been reported as being exposed to Andes virus. Currently, no one in Washington…





