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Mumps Outbreak in Snohomish County

Snohomish County has had a total of 79 cases of mumps (43 confirmed and 36 probable) as of June 8. Of those cases, 53 cases have impacted students within Everett Public Schools, Lakewood School District, Monroe School District, Mukilteo School District, Northshore School District and the Stanwood-Camano School District as follows:

  • Bothell High School in Bothell, Wash. (1 probable case) - No exclusions at this time
  • Challenger Elementary in Mukilteo, Wash. (1 probable case) - No exclusions at this time
  • Everett High School (8 confirmed cases, 9 probable cases) - Exclusion until 6/13/17
  • Frank Wagner Elementary in Monroe, Wash. (2 confirmed cases, 1 probable cases) - Exclusions period ended
  • Garfield Elementary in Everett, Wash. (1 confirmed case, 2 probable cases) - Exclusions period ended
  • Hawthorne Elementary in Everett, Wash. (1 confirmed case) - Exclusion period ended
  • Lakewood High School in Arlington, Wash. (2 confirmed cases) - Exclusion period ended
  • Lakewood Middle School in Arlington, Wash. (4 confirmed cases, 2 probable cases) - Exclusion until 6/20/17
  • Meadowdale High School in Lynnwood, Wash. (1 confirmed case) Exclusion period ended
  • Monroe Elementary in Everett, Wash. (2 confirmed cases) - Exclusion until 6/13/17
  • North Middle School in Everett, Wash. (1 confirmed case, 6 probable cases) - Exclusions period ended
  • Park Place Middle School in Monroe, Wash. (1 confirmed case, 1 probable case) - Exclusion period ended
  • Sequoia High School in Everett, Wash. (3 probable cases) - Exclusion period ended
  • Twin City Elementary in Stanwood, Wash. (2 confirmed cases, 1 probable case) - Exclusion period ended
In addition to those cases involving students, letters were sent on May 1 to staff and families attending the following schools in the Arlington School District:
  • Arlington High School
  • Eagle Creek Elementary
  • Kent Prairie Elementary
  • Post Middle School
  • Presidents Elementary
The measles, mumps, and rubella (MMR) vaccine is the best protection against mumps and is highly effective in preventing the virus and reducing outbreaks. Out of an abundance of caution, the Health District has recommended excluding students with no doses or one dose of MMR from attending school until the 26th day past possible exposure.

Mumps is highly contagious and can spread easily and quickly in school settings. Keeping students safe and healthy is our primary concern, so that's why we are taking steps to prevent the spread of disease.


All school districts have contacted staff and families of all affected students. As soon as unvaccinated and under vaccinated students receive the MMR, the district will allow them to return to school. Exemptions for personal, medical or religious reasons will be honored, but those claiming exemptions will also be excluded from school or until the 26th day after exposure.

RESOURCES:

Our schools are ready and well equipped to handle this health issue. An important tool to ensure the health and safety of all district students and staff is to be informed about mumps and important preventive measures. We encourage families to follow up with their health care provider if they have questions or if their child is exhibiting symptoms.

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What is mumps?

Mumps is a highly contagious viral illness. An infected person can spread it through face-to-face contact by coughing, sneezing, or spraying saliva while talking. Mumps can also spread when people share cups and eating utensils. Mumps is a condition that health providers must report to the local health department when a probable or diagnosed case occurs.

What are the symptoms?

Mumps causes puffy cheeks and a swollen jaw, the result of swollen salivary glands. Other symptoms are:

  • Fever
  • Headache
  • Muscle aches
  • Tiredness
  • Loss of appetite
  • Up to 10% of teen boys and men can experience swelling of the testicles. Meningitis and encephalitis are rare but serious complications of mumps.

How can you prevent mumps?

Immunization is the most effective way to prevent mumps. Everyone should make sure they are up to date on their MMR vaccine. Children must have two doses of the MMR vaccine to attend school. Other ways to protect yourself:

  • Avoid contact with anyone infected with mumps
  • Wash your hands with soap and water
  • Don’t share cups and eating utensils

Who is more likely to get mumps?

  • Babies less than one year old
  • Children older than one who have not received at least one dose of the MMR
  • Adults born in or after 1957 who have not been vaccinated or have not had mumps before

 




Did you know?
Before vaccination was started in the 1960's, about 200,000 cases of mumps occurred each year. With regular vaccination of young children, that number has declined significantly to about 4500 to 13,000 cases yearly world-wide..