Brazil: Chikungunya exceeds 10,000 confirmed cases in Cuiabá, Mato Grosso state in 2025
Chikungunya continues to be the biggest public health concern in the capital city of Mato Grosso state this year.
According to the State Health Department’s (SES) Epidemiological Bulletin, there have been 10,978 confirmed cases in Cuiabá in 2025, with an incidence of 1,240.7 cases per 100,000 inhabitants.
In addition, 27 chikungunya deaths have also been reported.
While chikungunya puts pressure on the healthcare system, dengue fever continues to decline. The municipality has recorded 1,981 reported cases and 1,480 confirmed cases this year, representing a 29.3% reduction compared to 2024.
The disease currently has an incidence of 172.5 cases per 100,000 inhabitants, with 1,178 indigenous cases. Two deaths remain under investigation, but there are no confirmed deaths in 2025.


