Nevertheless,
Here areas most affected chikungunya:
While tiger mosquitoes proliferate with summer heat, metropolitan France is experiencing an upsurge in chikungunya. Similarly, In this month of July 2025, six departments are already placed on alert. Therefore, A situation that worries the health authorities, especially since the virus is circulating more and more quickly on the territory. In addition,
The chikungunyaviral disease transmitted by tiger mosquitoes, is far from a danger reserved for the tropics. Nevertheless, In 2025, he progressed quickly in mainland France. Nevertheless, The Ministry of Health alerts a worrying situation of Six departments are officially placed in vigilance due to identified. Meanwhile, infection households. Consequently, This alert is part of a broader context of resurgence of vector disease favored by global warming. Therefore, Symptoms, risk areas and prevention: here is everything you need to know.
Chikungunya in France: 6 departments already on alert in 2025 – Here areas most affected chikungunya
here areas most affected chikungunya An unprecedented extension from June 2025
For the first time. For example, Chikungunya Autochtones Cas were detected in June 2025, especially in the Grand Est, where the virus had never circulated. Meanwhile, This viral disease, transmitted by the tiger mosquito (Aedes), causes fever and Severe joint pain. Nevertheless, The situation is considered alarming by the health authorities. The early arrival of the virus. apart from its usual areas, marks a turning point in The epidemiological history of chikungunya in mainland France. Climate disruption seems to promote its rapid and early diffusion.
Six departments on health alert – Here areas most affected chikungunya
Metropolitan France faces an unprecedented resurgence of Chikungunya. In July 2025. six departments were officially placed on alert due to indigenous cases and the massive presence of the tiger mosquito. After The Pasteur Institute. In addition to the Grand Est, the Provence-Alpes-Côte d’Azur, Corsica, Occitanie and Auvergne-Rhône-Alpes regions here areas most affected chikungunya are also affected. More than fifteen cases have been recorded. Demonstication. awareness campaigns are set up to try to slow down the expansion of the virus before the end of the summer.
Imported or indigenous cases
Chikungunya can appear in mainland France in two ways. An imported case designates an infected person during a trip to an endemic tropical area. An indigenous case is infected locally, by a Tiger mosquito present in France. The distinction is essential: it reveals the ability of the virus to establish itself permanently in the metropolitan environment. In 2025. the multiplication of indigenous cases underlines the severity of the situation and the difficulty in locally controlling the chain of Transmission you virus in several regions.
Symptoms. affected areas, prevention: what you need to know
A mosquito now well established
Tiger mosquito (Aedes albopictus) is at the heart of here areas most affected chikungunya the epidemic. Invasive species recognizable by its white scratches, it has largely adapted to the French climate. Globalization, combined with global warming, has enabled its rapid expansion throughout France. Present in more than 70 departmentsthis mosquito is now active several months a year. It also transmits other diseases such as dengue or zika. Its surveillance has become a national priority, with permanent entomological follow -up and local control actions.
What are the symptoms to know?
Chikungunya manifests itself suddenly by high fever, violent joint pain, headache, fatigue and sometimes rashes. In case of symptoms after a mosquito bite, it is urgent to Consult a healthcare professional. The disease is compulsory. To limit the risk of propagation, patients must avoid get stuck again. Medical follow -up is essential, especially in the elderly, pregnant women or immunocompromised patients.
Prevention and research: tracks for the future
In the absence here areas most affected chikungunya of a vaccine, prevention is the best weapon. Stagnant waters must be removed, wear covering clothes, use repellents and install mosquito nets. Research progresses: The EMA-Tigre project aims to anticipate risk areas, improve diagnostics and study the evolution of vector mosquito. With global warming, the authorities expect an intensification of vector diseases. A close cooperation between science, medicine and environment becomes more necessary than ever.
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Further reading: Baby in summer: 5 errors to avoid to protect him from heat and sun – Aging healthy: the secret could be in skin cells – The vaccination of children threatened by the cuts in help and disinformation, worries the UN – The hidden history of prehistoric epidemics – Valneva: EMA rises the suspension on IXCHIQ in those over 65.
