Oregon Health Officials Warn of Measles Exposure

Confirmed cases in Portland, West Linn, and Gresham raise concerns about community spread.

Apr. 3, 2026 at 5:53am by Ben Kaplan

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A translucent, ghostly X-ray image showing the intricate internal structure of a measles virus particle, glowing in shades of blue and purple against a dark background, conceptually illustrating the public health concerns around this outbreak.A microscopic view of the measles virus, whose highly contagious nature has prompted a public health alert in the Portland metro area.Portland Today

The Oregon Health Authority has identified several locations in the Portland metro area where people may have been exposed to measles, including sites in Portland, West Linn, and Gresham. Health officials are urging residents to be aware of the potential exposure and monitor for symptoms.

Why it matters

Measles is a highly contagious viral illness that can lead to serious complications, especially in unvaccinated individuals. Outbreaks of measles have occurred in Oregon in recent years, prompting public health efforts to increase vaccination rates and contain the spread of the disease.

The details

The Oregon Health Authority has confirmed that people may have been exposed to measles at specific locations in Portland, West Linn, and Gresham between March 28 and April 1. Individuals who visited these sites during the identified time periods are advised to monitor for measles symptoms and contact their healthcare providers if they develop a fever or rash.

  • The potential exposures occurred between March 28 and April 1, 2026.

The players

Oregon Health Authority

The state's public health agency responsible for monitoring and responding to disease outbreaks.

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What’s next

Health officials are urging residents to ensure their measles vaccinations are up to date and to contact their healthcare providers if they develop any measles symptoms after potential exposure.

The takeaway

This measles exposure event highlights the ongoing need for vigilance and vaccination efforts to protect vulnerable populations and prevent the spread of this highly contagious disease in Oregon communities.