Public health officials have confirmed two new measles cases in King County, prompting a health alert for potential exposures at several public locations, including Costco Issaquah, local swimming pools, and medical centers. This brings Washington’s total to 10 confirmed cases in 2025.
New Cases and Source of Exposure
An adult and a child living in the same household in King County tested positive after hosting an international visitor who reported being ill. These cases are not linked to previous infections, suggesting no current community-wide outbreak.
The child had received one dose of the MMR vaccine. The adult’s vaccination status is currently unknown.
📍 These cases highlight the ongoing importance of vaccinations and public health preparedness.
Confirmed Exposure Locations & Times
If you were present at the following locations during these times — or within two hours afterward — you may have been exposed:
| Date | Time | Location | Address |
|---|---|---|---|
| June 14 | 11:00 AM – 2:30 PM | Bellevue Fire Station 9 | 12412 Newcastle Way, Bellevue |
| June 15 | 10:30 AM – 2:00 PM | St. Madeleine Sophie Catholic Parish | 4400 130th Place SE, Bellevue |
| June 15 | 3:00 PM – 6:00 PM | Lake Union Swim Academy | 2040 Westlake Ave. N., Seattle |
| June 18 | 1:00 PM – 4:00 PM | Mary Wayte Pool | 8815 SE 40th St., Mercer Island |
| June 18 | 2:30 PM – 5:30 PM | Costco Issaquah | 1801 10th Ave. NW, Issaquah |
| June 19 | 1:20 PM – 4:20 PM | Overlake Clinics Newcastle Urgent Care | 13159 Newcastle Commons Dr., Newcastle |
| June 20 | 11:50 AM – 5:45 PM | Seattle Children’s Hospital | 4800 Sand Point Way NE, Seattle |
| June 22 | 9:15 AM – 11:45 AM | Swedish First Hill Hospital | 747 Broadway, Seattle |
What To Do If You Were Exposed
According to Public Health – Seattle & King County:
- If you’re not immune to measles, symptoms may appear between June 21 and July 13.
- Check your vaccination records: Two doses of MMR = 97% protection.
- If unsure, contact a health provider — call first before visiting a clinic or hospital.
- Measles symptoms include: fever, cough, rash, red eyes, and runny nose.
For more info and updates, visit kingcounty.gov/measles.
Why It Matters for the Renton Community
This alert is particularly relevant for families and commuters in Renton who may have traveled to affected areas. With rising national outbreaks in Texas and New Mexico, Renton residents should:
- Review vaccination status before summer travel.
- Stay informed through local news and health updates.
- Learn more about Renton’s public safety and health initiatives in our Renton Relocation Guide.
