Cases of dengue fever and Chikungunya fever in Brazil have surged.
According to the data released by the Brazilian Ministry of Health on March 25th, local time, as of that day, the number of suspected cases of dengue fever reported in Brazil this year has exceeded 400,000, an increase of over 53% compared with the same period of last year, with 117 deaths. Nearly 54,000 suspected cases of Chikungunya fever were reported, an increase of 98% compared with the same period of last year, with 6 deaths. The Brazilian Ministry of Health believes that dengue fever and Chikungunya fever have appeared in some parts of the country.
In 2023, the highest incidence of dengue fever in Brazil was in the central and western regions of the country, with an average of 316.7 suspected cases of dengue fever per 100,000 residents; Followed by the southeastern part of the country, with an average of 293.3 suspected cases per 100,000 residents; In the south of the country, there are 145.7 suspected cases per 100,000 residents. The southeast of the country has the highest incidence of Chikungunya fever, with an average of 42.6 suspected cases per 100,000 residents.
Dengue fever and Chikungunya fever are both important mosquito-borne virus diseases with global distribution. The main vectors are Aedes aegypti and Aedes albopictus, which are prevalent in tropical and subtropical regions. Both of them have similar epidemiological and clinical characteristics. Typical symptoms include persistent fever, headache, muscle pain, joint pain, etc., which can lead to death in severe cases. (Reporter Xu Dana from the General Desk)