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Snohomish Measles Scare Has Health Chiefs Urging Kids’ MMR Shots Now

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Published on January 28, 2026
Snohomish Measles Scare Has Health Chiefs Urging Kids’ MMR Shots NowSource: Google Street View

Snohomish County health officials and state public health partners are telling parents it is time to double-check their kids’ measles protection, after a local outbreak was declared. The push centers on children ages 1–17 who have never had a measles-containing vaccine, with more limited recommendations for babies under 12 months. Officials say the goal is to slow the spread after several public exposure sites popped up over the holidays.

 

State guidance says 1–17-year-olds should be vaccinated now

The Washington State Department of Health has issued interim pediatric measles outbreak vaccine guidance that only applies to counties with active outbreaks. For now, the department says Snohomish County is the only county that meets that definition. The bulletin advises that children ages 1–17 with no prior measles doses should get a first MMR (or MMRV) shot as soon as possible.

Who should and should not get a shot right now

Local guidance breaks things down by age. Infants 0–5 months are not recommended to receive MMR at this time. For infants 6–11 months, Snohomish County officials say an early dose should only be given when international travel or travel to an outbreak area is planned. The Snohomish County Health Department also tells providers that unvaccinated children ages 1–17 years should receive a first dose now and then follow up with a second dose according to the current guidance.

Timing for the second dose varies by vaccine

Health officials note that the wait for a second dose depends on which product is used. If the first shot is MMR, a second dose can be given at least 28 days later. If the first shot is MMRV, current guidance calls for roughly a three-month interval before the next dose. That lines up with federal recommendations from the CDC and is also reflected in the state’s interim guidance from the Washington State Department of Health.

Where the cases were traced and what to watch for

According to local health officials, the Snohomish outbreak has been traced to a visiting family from South Carolina who were infectious while traveling through King and Snohomish counties from Dec. 27 to Jan. 1. Potential exposure sites include Sea-Tac Airport, a car rental facility and locations in Everett, Marysville and Mukilteo. The Snohomish County Health Department outlines the exposure windows and likely incubation period, and local coverage has followed the story and tracked the measles outbreak.

What to do if you think your child was exposed

If you suspect your child was exposed, officials say the first move is to call your child’s clinician. Getting an MMR dose within 72 hours of the first exposure can sometimes prevent illness, and immune globulin given within six days may be recommended for infants or for people who cannot receive MMR. The CDC has more detail on post-exposure options and who might need them. Parents are urged to call ahead before showing up at a clinic so staff can take precautions to avoid further spread in waiting rooms.

How to find a clinic or shot near you

To find nearby clinics or pharmacies offering MMR, tools like VaccineFinder can help. Families can also call their pediatrician or local health center to confirm vaccine availability and hours. Many community providers and pharmacies may offer walk-ins or scheduled appointments, but public health officials say calling ahead is still the safer play to cut down the risk of exposing others during a visit.

Health agencies say they will keep updating exposure lists and recommendations as the situation evolves. Residents are encouraged to follow official channels and talk with their own health providers for the latest advice. The county’s advisory is also available on its Facebook page (Snohomish County Government on Facebook).