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03/16/2026 Health Advisory: Increase in Pertussis
Current Situation Whatcom County Health and Community Services (WCHCS) staff are investigating multiple pertussis cases in Whatcom County associated with higher education settings. WCHCS asks that healthcare providers remain alert for patients with symptoms of pertussis and to report suspected cases. Reporting options: Condition Summary Recommendations for Healthcare Providers Vaccine recommendations More Resources Contact Us
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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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1/16/26 Health Update: Measles Outbreak Declared in Snohomish County
Additional measles cases confirmed in Snohomish County. See Snohomish County Health Department’s latest announcement here. All known public exposure locations are listed on the measles map tracker. Requested Actions for Healthcare Providers Immediately report suspected measles cases Remain alert for measles in patients presenting with: Consider proactive measures to protect patients and staff in your…