El Niño Pathogens
The strengthening El Niño ocean warming in the tropical Pacific threatens a resurgence of tropical disease, according to the World Health Organisation. The agency’s director general, Tedros Adhanom Ghebreyesus, warns that the weather phenomenon “could increase transmission of dengue and other so-called arboviruses, such as Zika and chikungunya.”
That’s because they are carried by mosquitoes, which thrive in the warmer weather El Niño is predicted to bring to parts of the world. Increases in mosquito-borne disease are already occurring from South America to Southeast Asia. Peru has just seen its worst dengue outbreak on record, putting the country’s health care system under increased stress.
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