On January 18, Clark County, Washington, officials declared a public health emergency in response to a measles outbreak in the area. On January 25, Washington Governor Jay Inslee proclaimed a related state of emergency for all counties in the state. Clark County continues to update information about this outbreak on its website. Clark County is the home of Vancouver, Washington, and is located on the state’s southern border near Portland, Oregon.

Currently, officials have identified 35 confirmed cases and 11 suspect cases. Here is a breakdown of the confirmed cases from the county’s website:


  • 1 to 10 years: 25 cases
  • 11 to 18 years: 9 cases
  • 19 to 29 years: 1 case

Immunization status

  • Unverified: 4 cases
  • Unimmunized: 31 cases

Over forty public exposure sites have been identified. Clark County Public Health is urging anyone who has been exposed and believes they have symptoms of measles to call their health care provider prior to visiting the medical office to make a plan that avoids exposing others in the waiting room.

Access up-to-date information about this outbreak from Clark County, Washington Public Health.

Access the proclamation from Governor Jay Inslee.

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