The World Health Organization warned Wednesday that dengue and other diseases caused by mosquito-borne arboviruses were spreading far faster.
People reinfected with dengue, which comes in four closely related serotypes, often develop severe diseaseThe World Health Organization warned Wednesday that dengue and other diseases caused by mosquito-borne arboviruses were spreading far faster and further amid climate change, warning global outbreaks could be looming.
"Climate change has played a key role in facilitating the spread of the vector mosquitoes," said Raman Velayudhan, who coordinates WHO's dengue and arbovirus initiative. And case numbers have grown exponentially in recent years, jumping from around half a million in 2000 to some 5.2 million in 2019, the worst year on record, Velayudhan told reporters.
So far this year, around 135,000 cases have been reported there, compared to 50,000 cases reported during the first half of 2022, she said.Most concerning perhaps is the expanding geographic spread of both diseases, which are being reported further south in the Americas and are also moving into the northern hemisphere, including a number of European countries.
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