A warmer, wetter and less reliable climate will likely bring about many more - and less predictable - mosquito-related disease outbreaks, says this Anglia Ruskin University professor.
CAMBRIDGE, England: 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.around the world, but outbreaks are becoming larger and less predictable.
While Aedes aegypti is essentially a tropical mosquito, it is a very adaptable insect. In recent years, it has expanded its range out of the tropics into southern Europe and to several states in the US, including Florida, Hawaii, Texas and Arizona. Because a large proportion of the population of Bangladesh spends a great deal of time outside and tends to have houses that are relatively simple for mosquitoes to enter, it took little time at all for dengue to take hold and then explode.Although no one is certain about what’s driving the increase and instability of dengue, climate change may be contributing as much of the world is getting both warmer and wetter.
The solution is likely to be an affordable and effective vaccine. Indeed, the WHO has recently recommended the Qdenga vaccine for children living in areas where the infection is a major public health problem.
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