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France Battles Unprecedented Spike in Mosquito-Borne Viruses in 2025
In 2025, France confronts an unprecedented surge in mosquito-borne viruses, with simultaneous outbreaks of chikungunya, dengue fever, and West Nile virus, posing serious public health risks.
- In 2025, France recorded an exceptional spike in mosquito-borne virus infections, marking the first triple circulation of chikungunya, dengue fever, and West Nile virus in the country.
- The simultaneous spread of chikungunya, dengue fever, and West Nile virus in metropolitan France has led to a significant increase in infections, straining public health resources.
- The outbreak is exacerbated by the presence of the tiger mosquito, known for spreading these viruses, which has become increasingly prevalent across France, especially in warmer regions.
Why It Matters
The surge in infections from chikungunya, dengue fever, and West Nile virus reflects a concerning trend in public health, as climate change and urbanization continue to expand the habitat of mosquitoes, endangering communities across Europe.