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03/19/26 Provider Alert: Legionella cases increasing in Chelan County
Chelan-Douglas Health District continues to see higher-than-usual reports of Legionella disease in our community. Legionella is a waterborne bacterium that can cause a severe form of pneumonia and a milder flu-like illness. Early recognition and prompt reporting are critical to prevent additional cases and to aid in identifying environmental sources. Legionella must be reported to…
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03/16/26 Provider Alert: respiratory syncytial virus (RSV) season has been extended through April 30, 2026
The respiratory syncytial virus (RSV) season has been extended through April 30, 2026. Please continue to administer nirsevimab or clesrovimab to all eligible patients through April 30th. Current Situation RSV activity in Washington began later than usual this season, with emergency department visits in the state reaching the activity threshold in December 2025, compared to…
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Washington confirms measles outbreak
Washington State Department of Health (DOH) confirmed a measles outbreak in Snohomish County—the first in the state since 2023. Three unvaccinated children ages 23 months to 9 years tested positive for the highly contagious disease. Additionally, one person in Kittitas county tested positive. The outbreak comes as measles cases are rising across the United States,…