PORTLAND, Ore. (AP) - State health officials say a case of the measles has been confirmed in a resident of Multnomah County, which is home to Portland.

The Oregon Health Authority said Friday the agency is working with Multnomah and other agencies to notify people of their potential exposure and help them take steps to prevent exposing others if they become ill.

The person while contagious visited Legacy GoHealth in Gresham and Fred Meyer in Wood Village Sunday and on Wednesday visited Gresham Troutdale Family Medical Center in Troutdale and the Walgreens Pharmacy in Troutdale.

No additional cases of measles have been identified in Oregon.

Clark County Public Health in Vancouver, Washington, has reported 30 confirmed cases of measles since the beginning of the year.

Anyone who has never been vaccinated is at risk of getting measles if they come into contact with someone who is contagious.

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