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...
Period covered: September 1–8, 2026. The most consequential event remains the rapidly expanding Bundibugyo Ebola outbreak in the Democratic Republic of the Congo (DRC); other priority signals are ongoing mpox...
Global outbreak status Cholera — multi-country. Cholera remains active globally and has worsened in the latest WHO update: 29,610 cholera/acute watery diarrhea cases and 271 deaths were reported from 16 countries or...
The most consequential active outbreak is the Bundibugyo virus Ebola disease in the Democratic Republic of Congo, while major ongoing risks also include mpox, cholera, meningitis-belt epidemics, vector-borne outbreaks...
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...
Europe (ECDC) ECDC’s current major outbreak focus is Ebola virus disease caused by the Bundibugyo virus in the Democratic Republic of the Congo and Uganda. ECDC states that, as of 9 July 2026, the outbreak is ongoing...