An indigenous case of Chikungunya, with a patient attack without having traveled, has just been detected in the Grand Est. It is the ninth in Metropolitan France for the past few weeks. If the Center-Val de Loire region is still spared, “The situation is closely followed” indicates the regional health agency. And for good reason, fifteen imported cases-with patients with the return of infested areas-have indeed been identified since May 2025, including six in Indre-et-Loire. In this chapter of arboviroses diseases, it can be added ten cases of dengue imported into the region, including three in Touraine.
Should we worry about these man transmitted man to man by the tiger mosquito? “It has been two to three years that the Tiger mosquito has been perfectly installed and active in Indre-et-Loire, from May to October, Recalls Professor Adrien Lemaignen, head of the infectious disease service at the CHRU in Tours. We have all the conditions for there to be transmission. But for that, you need patients. »» Travelers, returning from Reunion for Chikungunya, or Guadeloupe for Dengue, have just been in recent weeks. This is where vigilance is in order. “As the Tiger mosquito does not fly to more than 250 m from its cottage, if you know soon that a person is sick, you can still launch demoustication operations, like last year in Joué-lès-Tours and Saint-Cyr-sur-Loire. »» The professor does not veil himself. Contamination, there will certainly be. But we can act. “If the week following a trip to the Antilles or Reunion, one of your loved ones suffers from articular pain and an unexplained fever, it is imperative to point out. »»
“At the scale of a population, it is very annoying”
There is no alert currently in municipalities in Indre-et-Loire. “But, on the other hand, the alert is global in mainland France. The next epidemic will be arbovirosis. Individual, it is not necessarily serious, but on the scale of a population, it is very annoying. In 2003, Reunion had experienced a strong impact on its economy with many work stoppages. »
These diseases are detected by a blood test carried out at the doctor. “Dengue is reflected in a huge flu, with 5 % of severe cases, low mortality; The disease can lead to hospitalization, especially fragile people. Chikungunya is a very high fever, with very intense skin redness and joint pain. Patients can then keep prolonged pain. »»
Fish in water recuperators
And to finish with some often repeated but effective tips. “You have to fight larval lodges, empty all the cups and even put sand. Avoid stagnant waters. Bug the water recuperators or put fish in it, who will eat the larvae. It is also necessary to ensure that there are no stagnant waters on the roofs terraces or under the slabs on studs. »» Gestures that seem harmless. “But which are super important on the scale of a neighborhood. Everyone has to get started! »»
