Overview
- Oregon Health Authority said routine testing found measles genetic material in a sample collected Oct. 6 at a Marion County treatment plant.
- The agency sent a Health Alert Network message urging clinicians to watch for symptoms, take infection-control steps, and report suspected cases immediately.
- Officials cautioned that one positive wastewater result does not establish ongoing risk and could reflect a traveler passing through the sewershed.
- Residents were urged to check MMR vaccination status, with particular concern for unvaccinated people, infants, pregnant people, and those with weakened immune systems.
- Oregon has logged one measles case this year as CDC counts 1,573 cases nationwide tied to dozens of outbreaks.