Kittitas County Declares Measles Outbreak After Ellensburg School Exposures
Kittitas County has declared a measles outbreak following three confirmed cases, with exposures at Valley View Elementary in Ellensburg from April 8–15. Guidance depends on vaccination status: those with two MMR doses and proper records may attend without quarantine; those with one dose should monitor for symptoms; unvaccinated individuals must quarantine. Staff must provide proof of MMR vaccination, and unvaccinated students cannot attend until after the May 5 incubation period. People born before 1957 are generally immune. Statewide in 2026, Washington has 37 confirmed measles cases (21 linked to outbreaks, 13 not linked, 3 under investigation).
