US measles elimination status reportedly revoked after prolonged transmission

Colourised transmission electron micrograph of a measles virus particle Colourised transmission electron micrograph of a measles virus particle. Photo: CDC / NIAID / Wikimedia Commons, CC BY 2.0

The United States has reportedly lost its measles-elimination designation after sustained transmission of the virus, according to a Wall Street Journal report cited by Reuters on November 14. The reported decision by the Pan American Health Organization follows evidence that the same measles strain circulated for at least twelve months. The distinction concerns uninterrupted local transmission, not the complete absence of cases: imported cases can occur even in countries that retain elimination status. Reuters’ report cites 5,182 confirmed US cases recorded by the CDC in 2026 across 45 states, New York City and Washington, D.C. Measles is highly contagious, and public-health agencies emphasize routine vaccination as the principal prevention measure. Two doses of measles vaccine provide strong protection. The reported change is an important warning about gaps in community immunity, although readers should distinguish the newspaper’s report from a directly reviewed PAHO announcement.

Source: Reuters, 14 November 2026.

Leave a Reply

Your email address will not be published. Required fields are marked *