Washington, D.C., 10 November 2025 (PAHO) –The Pan American Health Organization (PAHO) announced today that the Region of the Americas has lost its verification as free from endemic measles transmission.
The decision follows the conclusion of the PAHO Measles, Rubella, and Congenital Rubella Syndrome Elimination Regional Monitoring and Re-Verification Commission, which met in Mexico City from 4 to 7 November 2025 to review the epidemiological situation across the region. The Director of PAHO, Dr. Jarbas Barbosa, received and agreed with the Commission’s report indicating that endemic transmission of measles has been reestablished in Canada, where the virus has circulated for at least 12 months.
