03/16/2026 Health Advisory: Increase in Pertussis Advisory or Update, Communicable Disease and Immunization Update, Health Advisory, News and Alerts, News and Update, Notifiable Conditions, Pertussis, Provider Resources
03/16/26 Provider Alert: respiratory syncytial virus (RSV) season has been extended through April 30, 2026 Provider Resources
1/16/26 Health Update: Measles Outbreak Declared in Snohomish County Advisory or Update, Health Advisory, Measles, News and Update, Notifiable Conditions, Provider Resources
1/9/26 Health Advisory: Measles Exposures in Snohomish County and SeaTac Airport Advisory or Update, Health Advisory, Measles, News and Alerts, Provider Resources
The West Coast Health Alliance continues to recommend vaccination in alignment with the American Academy of Pediatrics Recommended Child and Adolescent Immunization Schedule Communicable Disease and Immunization Update, Immunizations, Provider Resources
12/29/25 Health News: DOH endorses Hepatitis B Birth Dose Vaccine Advisory or Update, News and Alerts, News and Update, Provider Resources
West Coast Health Alliance, WA DOH, and Leading National Medical Organizations Continue to Recommend Hepatitis B Vaccination for Newborns Hepatitis, Provider Resources
11/24/25 Health News: Statement Regarding Vaccines and Autism Immunizations, Provider Resources, Vaccine
11/20/25 Provider Alert: Case of H5N5 Influenza Confirmed in Washington Notifiable Conditions, Provider Resources
