Whatcom County Health & Human Services

03/16/2026 Health Advisory: Increase in Pertussis

| March 16, 2026

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

1/16/26 Health Update: Measles Outbreak Declared in Snohomish County

| January 16, 2026

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 … 1/16/26 Health Update: Measles Outbreak Declared in Snohomish County

1/9/26 Health Advisory: Measles Exposures in Snohomish County and SeaTac Airport

| January 9, 2026

Snohomish County Health Department has issued the following health alert and a press release with more details. Exposure Locations Date Time Location 12/27/25 1:00 PM – 3:00 PM McDonald’s – 530 128th St. SW, Everett, WA 98204 12/28/25 2:00 PM – 6:30 PM Slavic Christian Church Awakening – 4223 78th St. SW, Mukilteo, WA 98275 12/29/25 11:00 AM – … 1/9/26 Health Advisory: Measles Exposures in Snohomish County and SeaTac Airport

Confirmed Measles Case in Whatcom County

| June 20, 2025

Background Whatcom County Health and Community Services has confirmed a case of measles in a resident of Whatcom County. The individual was evaluated at Family Care Network Urgent Care in Lynden on June 18, 2025.  Individuals present at the following location during the listed timeframe may have been exposed to measles: Date Time Location June … Confirmed Measles Case in Whatcom County

06/13/24 Health Alert: Avian Flu Update

| June 14, 2024

Although recently detected in dairy cattle in some states, the risk of H5N1 avian influenza A to the general public is still considered low. It is primarily an occupational risk and limited to people with direct contact with infected or potentially infected animals, such as sick birds and dairy cattle and their environments, or to unpasteurized … 06/13/24 Health Alert: Avian Flu Update