Measles outbreak in Washington State

Several people in Washington, including King County, have become sick with measles, a serious and highly contagious illness. See the latest update from Washington State Department of Health

The best protection against measles is the MMR vaccine (measles, mumps and rubella), which is safe and effective. 

Learn about measles (info available in several languages).  

Are you and your family protected?

  • Find out if you or your children have had a MMR vaccine (measles, mumps, rubella), by checking immunization records in the Washington State Immunization Information System at Click on “log in” and follow the instructions on how to register for an account.

  • If your prior immunizations were not given to you in Washington State, contact your previous medical provider to get your records.

  • If you were born before 1957, no further vaccination is needed.

  • If you do not know if you have been vaccinated and cannot get records, make an appointment with your provider to determine your immunity.

  • If you know you or your children need a vaccination and are Neighborcare Health patients, call 206-548-5710 to make an appointment with a medical assistant. If you are not a Neighborcare Health patient, contact your provider. Learn how to become a Neighborcare Heath patient.  

  • If you have a child under 12 months old or a child not yet due for their second MMR vaccination, no action is needed unless you are concerned about exposure to measles or you have international travel plans. One MMR vaccine dose is 93% effective and 2 doses is 97% effective in preventing measles infection.

  • The best way to protect children under 12 months old is to make sure those around them are vaccinated. 

  • To find out if you have possibly been exposed to measles in Clark County or King County, call the public exposure line for Clark County at 360-397-8021, or visit for King County.

  • If you have been exposed to measles, are not immune and are a Neighborcare Health patient, please call 206-548-5710 first before going to a clinic so as not to spread the illness to others. If you are not a Neighborcare Health patient, learn how to become a patient.