Mosquitoes: "an unprecedented situation", cases: This article explores the topic in depth.
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Mosquitoes: "an unprecedented situation", cases:
“A worrying and unprecedented situation”. In addition, In recent weeks, metropolitan France has faced a significant increase in cases of tropical dengue, chikungunya and West Nile disease. Consequently, Transmitted by mosquito bites, summer 2025 is historic.
“We have already reached almost the total of the previous season before we even spent this peak period. Furthermore, ” deplores Rachel Bellone, researcher in the Arbovirus unit and vectors of the Pasteur Institute.
This Wednesday Public Health France identified “27 episodes of Chikungunya totaling 154 France Hexagonal cases”. Furthermore, an increase of four homes and forty cases compared to the previous week. A situation of unprecedented magnitude.
Same increase in cases for dengue, also transmitted by mosquito bites. Seven households were identified for 13 cases, against six homes and eleven cases mosquitoes: “an unprecedented situation”, cases last week.
The “West Nile”. Western Nile fever, which is not transmitted by the Mosquito Tiger but by the Culex variety, more common in mainland France is also very virulent. 13 were identified this summer, most of which in the Paris region.
“More numerous. important homes” – Mosquitoes: "an unprecedented situation", cases
An explosion of cases linked mainly to the generalization of mosquito-tiger throughout the territory, the latter being a vector of dengue and chikungunya.
A “worrying” situation for Rachel Bellone, compared to previous summers. “The first years, when we had the first detections, it was not necessarily recurrent. There are therefore more and more homes, ”she explains.
The reason for this explosion of cases? The widespread presence of mosquito-tigers throughout the territory favored by the installation of a warm climate on the whole. of France.
“The mosquito-tiger arrived in 2004 in the south of France and, in 20 years, it colonized almost all of the territory. And there are epidemics all over the world: when people travel. return to the territory, they find the mosquito, a competent vector, all the conditions are met for a transmission, ”adds Rachel Bellone.
These three diseases have close symptoms, akin to a flu -like state with fever and muscle pain.
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