Health officials in Brazil have warned that the number of dengue cases in the country could hit a record 5mn this year as climate change and the El Ni?o weather pattern in the Pacific Ocean fuel the spread of mosquito-borne diseases.
“We have a situation that is very worrying because of climate change [and] mainly the El Ni?o phenomenon,” said Ethel Maciel, secretary of surveillance at the health ministry. “There will be [an acceleration] in transmission.”
The ministry’s worst-case scenario of 5mn cases would represent more than a three-fold increase from the caseload of 1.6mn recorded in 2023 that resulted in 1,079 deaths. Its average projection is for 3mn cases this year.
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