Dengue: why is this sometimes fatal disease increasing around the world?

By Simon Bishop, Associate Professor, Faculty of Health, Anglia Ruskin University

Something unusual seems to be happening with dengue, a potentially fatal mosquito-borne viral disease found across swathes of tropical Africa, Asia and the Americas. As with most infectious diseases, the number of cases tends to rise and fall over the years as epidemics come and go, but recently changes seem to be afoot in how dengue is behaving.

Not only is the number of new infections steadily rising around the world, but outbreaks…

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