Seattle & King County and the Snohomish County Health Department are investigating a confirmed case of measles in an adult resident.

Local health officials have confirmed the second positive case of measles in Washington this year, this time in a Snohomish County adult.

SEATTLE, Wash. -- King County health officials announced the second confirmed case of measles in Washington state in 2025. On March 17, an adult resident of Snohomish County was diagnosed with a ...

“We are now outside the window where we would expect additional secondary cases related to these infections,” Dr. James Lewis ...

EVERETT — A Snohomish County adult has been identified with measles, the health departments from King and Snohomish Counties announced Tuesday. The case of measles, the second confirmed in the ...

Seattle and King County and the Snohomish County Health Department are investigating a positive case of measles, identified on March 17 in ...

Here’s what you need to know. The Evergreen State’s two recorded measles cases in 2025 include one in King County and one in Snohomish County. That’s roughly on par with the rate at which the measles ...

King and Snohomish County health departments looked at any other potential exposures and found nothing. “There is no risk of measles to the general public from this new case,” stated the ...

The measles vaccination rate is dropping perilously low, and online misinformation is to blame, according to Clark County ...