LONDON: Dengue fever will become a major threat in the southern United States, southern Europe and new parts of Africa this decade, the World Health Organization’s (WHO) chief scientist said, as warmer temperatures create the conditions for the mosquitoes carrying the infection to spread. The illness has long been a scourge in much of Asia and Latin America, causing an estimated 20,000 deaths each year. Rates of the disease have already risen eight-fold globally since 2000, driven largely by climate change as well as the increased movement of people and urbanisation.
Many cases go unrecorded, but in 2022 4.2 million cases were reported worldwide and public health officials have warned that near-record levels of transmission are expected this year. Bangladesh is currently experiencing its worst-ever outbreak, with more than 1,000 deaths.
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