Tiger mosquito: why dengue fever circumstances are growing in France

Tiger mosquito: why dengue fever circumstances are growing in France

The issue is that the tiger mosquito is a possible vector for dengue fever, an infectious illness that’s transmitted from individual to individual via the chunk of one in every of these contaminated mosquitoes. And this virus, which circulates frequently within the French departments of the Antilles, in addition to within the French islands of the Pacific and the Indian Ocean, is now proliferating in France. Some 26 circumstances of indigenous dengue fever have been reported for the reason that starting of the 12 months, well being authorities introduced on Wednesday September 14. That is far more than in earlier years since in 2020, they’d recognized 14 circumstances and in 2021, solely two.

These circumstances of autochthonous dengue fever, primarily recorded within the Provence-Alpes-Côte d’Azur and Occitanie areas, occurred in individuals who had not traveled to the same old space the place the virus circulates, abroad or overseas, inside 15 days earlier than the onset of signs, mentioned the Directorate Common of Well being (DGS). So how can such an upsurge be defined? For Anna-Bella Failloux, “The multiplication of those indigenous circumstances of dengue coincides specifically with the return of vacationers from tropical areas the place this illness is extra prevalent”.

And so as to add: “When these populations, which don’t essentially know they’re contaminated with dengue fever, go to settle in an space the place the tiger mosquito is especially current, if they’re bitten once more, they are going to infect their host who will in flip reinfect a one other individual. And so forth. As a result of if this feminine mosquito has been contaminated with dengue fever as soon as in her life, she is going to stay so all her life. So, each time she bites, she is going to transmit the virus.”she warns.

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