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Most individuals get well from dengue fever, which is attributable to a virus transmitted by the Asian tiger mosquito, however some contaminated people expertise severe bleeding, a sudden drop in blood stress, and even loss of life.
Though dengue fever has lengthy been acknowledged as a illness of the tropics and sub-tropics, a examine revealed in World Change Biology reveals that it’s prone to unfold more and more northward and thru Western Europe as local weather change expands the Asian tiger mosquito’s habitat.
The mosquito lays its eggs in water the place, with ample temperature, larvae develop and provides rise to flying, bloodsucking adults. After arriving in Albania, in Southeast Europe, in 1979, it unfold by Southwest Europe and now’s increasing northward into France.
Utilizing modeling and observations of current unfold, investigators decided that with local weather change circumstances, main Western European cities—together with London, Vienna, Strasburg, and Frankfurt—can be properly suited to the Asian tiger mosquito.
The crew notes that though the mosquito shouldn’t be in these cities but, its price of northward unfold in France has been accelerating from about 6 km per yr in 2006 to twenty km per yr in 2024.
“Extrapolating from the results, it is estimated that the mosquito could establish itself in northern France within a decade, from where it could easily reach London—which is already climatically suitable for hosting this vector,” stated corresponding creator Andrea Radici, Ph.D., of the Université de Montpellier, in France.
Along with dengue fever, the Asian tiger mosquito additionally transmits Zika and chikungunya.
Extra info:
Aedes albopictus is quickly invading its climatic area of interest in France: wider implications for biting nuisance and arbovirus management in Western Europe, World Change Biology (2025). onlinelibrary.wiley.com/doi/10.1111/gcb.70414
Quotation:
Local weather change will possible promote the unfold of dengue fever by Western Europe, examine signifies (2025, August 20)
retrieved 20 August 2025
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