Brazil exceeds 1 million dengue cases in 2025

Data from the show that Brazil exceeded the mark of 1 million probable cases of dengue in 2025. According to “”, from January 1st to the end of the 15th Epidemiological Week, closed on April 12, 1,019,033 cases and 681 deaths confirmed by the mosquito disease were recorded and 681 deaths were recorded Aedes aegypti. Another 714 deaths are still under investigation.

In the same period in 2024, when one of the worst dengue epidemics was recorded in the country, more than 4,013,746 probable cases and 3,809 death deaths, plus 232 deaths under investigation, had been accounted for. In the interval of the 15th week (April 6 to 12), comparing 2024 and 2025, there was a drop of more than 80% in the number of probable cases.

The coefficient of incidence of the disease until the 15th week of 2025 is 479.4 cases per 100,000 people. In the same period of 2024, it was 1,881 cases per 100,000.

In 2025, most probable cases are concentrated in the age group of 20 to 29 years, followed by groups 30 to 39, 40 to 49 and 50 to 59.

Women add up to 55% of cases and men, 45%. White people account for the largest number of cases (50.4%), followed by brown (31.1%) and black (4.8%). There is no information on breed or color in 12.3% of cases.

São Paulo leads the ranking of states in absolute number of cases, with 590,850 probable cases. Then come Minas Gerais (111,096), Paraná (80,475) and Goiás (47,473 cases).

The state of São Paulo also maintains the largest incidence coefficient (1,285.2 cases per 100,000 people). Next appear Acre (888.6), Paraná (680.6) and Goiás (645.9).

In relation to other diseases transmitted by the Aedes aegyptiChikungunya has 70,973 probable cases in the country in 2025. There were 60 deaths caused by the disease, and 49 others are being investigated. Chikungunya’s incidence coefficient is 33.4 out of every 100,000 people. Zika accumulates 2,155 probable cases in 2025, with a confirmed death and an incidence coefficient of 1 per 100,000.