Measles case in visitor to King County: Possible exposures at Seattle-Tacoma International Airport 

virus del sarampión

Public Health – Seattle & King County was notified of a measles case in an adult who traveled on a connecting flight through Seattle-Tacoma International Airport (SEA) on November 11, 2025, and again on November 17, 2025. The individual is an out-of-state traveler and their vaccination status is unknown. If you are not immune to measles or don’t know your vaccination status, and were at the airport on November 11th or November 17th, please visit our measles webpage for specific information about potential areas of exposure within the airport.  

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TB evaluation at Aegis Living in Issaquah

Red oblongs - TB germs under a microscope

Public Health – Seattle & King County is following up on the confirmation of an individual associated with Aegis Living retirement community in Issaquah, who was diagnosed with active tuberculosis (TB). Public Health is working with Aegis Living Issaquah to define the extent of any potential TB exposures and supporting the facility as they conduct evaluations for those exposed and provide guidance and information to staff and residents.

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TB evaluation at Regency Newcastle

Red oblongs - TB germs under a microscope

Public Health – Seattle & King County is following up on the confirmation of an individual associated with Regency Senior Living community in Newcastle, who was diagnosed with active tuberculosis (TB). Public Health is working with Regency Newcastle to define the extent of any potential TB exposures and supporting the facility as they conduct evaluations for those exposed and provide guidance and information to staff and residents.

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New measles case in King County resident with link to previous case 

virus del sarampión

Public Health – Seattle & King County was notified of a confirmed measles case in a King County adult. The individual was on the same flight as a person with a confirmed case of measles that Public Health previously announced on October, 17, 2025. We believe this latest case was exposed to measles on this flight. This latest case was at Toyota of Renton, Valley Medical Center, YangGuoFu Malatang Restaurant and Disney on Ice at ShoWare Center during their infectious period.

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Mpox cases on the rise in King County

close-up photo of a vaccine vial with the text mpox vaccine

Cases of mpox (formerly known as “monkeypox”) are on the rise in the Puget Sound region, including here in King County. Public Health is encouraging those who are eligible to get the two-shot mpox vaccine series.

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