As of September 15, 2026, the largest acute international outbreak is Bundibugyo Ebola virus disease in the Democratic Republic of the Congo (DRC), which continues to expand rapidly. Other active priorities include...
This is a global outbreak update based on the most recent accessible agency material as of August 11, 2026. PAHO issued a measles alert on August 7. China CDC and India’s National Centre for Disease Control did not...