The global cholera situation is worsening and presents a significant public health challenge in several regions monitored by the World Health Organization (WHO).
As of late August 2025, cholera outbreaks are resurging in various countries, including some that had not reported significant case numbers in years.
According to a recent WHO report, between January and August 17, 2025, there were a total of 409,222 cases of cholera and acute watery diarrhea, resulting in 4,738 deaths worldwide. Notably, six of the 31 affected countries reported case fatality rates exceeding 1%.
Cholera Vaccination Recommended When Visiting Certain African Countries
Chikungunya Travel Alerts Expanded in the Americas, China, Indian Ocean
The Pan American Health Organization (PAHO) has called for enhanced surveillance, improved clinical management, and effective vector control to tackle localized chikungunya outbreaks in various countries throughout the Americas.
As of August 28, 2025, the simultaneous circulation of arboviruses, such as chikungunya, dengue, and Zika, raises the risk of outbreaks, severe complications, and fatalities among vulnerable populations.