4/3/26 Health Advisory: Two measles cases identified in King County connected to international travel Advisory or Update, Communicable Disease and Immunization Update, Health Advisory, Measles, News and Alerts, News and Update, Provider Resources
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
1/16/26 Health Update: Measles Outbreak Declared in Snohomish County Advisory or Update, Health Advisory, Measles, News and Update, Notifiable Conditions, 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
12/18/25 Health Update: Guidance for Clinical Consideration of Avian Influenza Advisory or Update, Emerging Diseases and Conditions, Influenza, Influenza Update, News and Update, Notifiable Conditions
11/12/25 Health Advisory: Infant Botulism Associated with ByHeart Infant Formula Advisory or Update, News and Alerts, News and Update, Notifiable Conditions, Provider Resources
6/27/25 Health Update – Measles Advisory or Update, Communicable Disease and Immunization Update, Measles, News and Alerts, News and Update, Notifiable Conditions, Provider Resources
1/17/2025 Health Advisory: Measles case in King County Advisory or Update, Communicable Disease and Immunization Update, Measles, News and Alerts, News and Update, Notifiable Conditions, Travel
10/24/24 Health Advisory: Increase in Pertussis Infections in Whatcom County Advisory or Update, Communicable Disease and Immunization Update, Health Alert, News and Alerts, News and Update, Notifiable Conditions, Pertussis
06/13/24 Health Alert: Avian Flu Update Advisory or Update, Communicable Disease and Immunization Update, Influenza, Influenza Update, News and Update, Notifiable Conditions
