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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…
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04/20/26 Provider Alert: Measles continues to spread in Washington; Prepare now
Current Situation As of April 15, 2026, a total of 37 cases of measles have been identified in Washington state this year. WA DOH is aware of at least 9 separate introductions of measles into the state since January 1, 2026, all associated with domestic or international travel. Many of these cases have led to…
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04/17/26 Health Advisory: Be alert for medetomidine overdose and withdrawal in people who use fentanyl
Centers for Disease Control and Prevention (CDC) recently notified public health professionals, clinicians, laboratorians, and people at risk for overdose about the presence of medetomidine in the illegal drug supply, particularly in substances sold as fentanyl. Medetomidine is also colloquially called rhino tranq, mede, or dex. Its use can lead to overdose and a serious withdrawal…