The Pan American Health Organization attributes the epidemic to factors such as the El Niño phenomenon, characterized by abnormal warming of the Pacific Ocean waters.
The Ministry of Health reports that out of Brazil's 27 states, nine exhibit a consistent decline in dengue cases, while another 13 maintain a stable trend.
The sharpest rise in the number of medics occurred 2022–2023, 538,095 to 572,960, up 6.5%. With 2.8 doctors per thousand citizens, Brazil is now close to Canada, and surpasses the US, Japan, South Korea, and Mexico.
There is a downward trend in the number of dengue cases in the states of Acre, Amazonas, Espírito Santo, Goiás, Minas Gerais, Piauí, Roraima, and the Federal District.
A total of 287 hair samples from individuals of various age groups, including children and the elderly, were examined. 84% of them showed levels exceeding 2.0 µg/g.
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