Dengue Fever: Doctor outlines signs and symptoms of infection Brits travelling to France have been urged to take caution as a case of “break bone fever” typically found in tropical climates has been detected there. Health authorities have confirmed its first “locally acquired” case of dengue fever in the south east of the country. The infected person is from La Colle-sur-Loup, near Nice, according to the Provence-Alpes-Côte d'Azur regional health agency (ARS Paca).

Unlike in other cases of dengue fever, they had not travelled to a contaminated area in the 15 days preceding symptoms. Instead it is reported that they contracted the disease in metropolitan France. This has raised concerns among health bodies as it means infected tiger mosquitoes , which are native to Asia, are not only present in France but spreading the disease.

READ MORE Breakthrough test could detect dementia 'a decade before diagnosis' Dengue fever can lead to a high fever and other severe symptoms (Image: Getty) As a result, authorities are working to eliminate the insects from the area. ARS Paca said: “To prevent the spread of the disease, mosquito control is carried out by the Interdepartmental Agreement for Mosquito Control of the Mediterranean Coast (EID-Med) to the east of the municipality (public roads, private gardens). “The goal: to eliminate potentially infected adult mosquitoes to prevent them from biting other people in the neighbourhood and to eliminate larval breeding sites.

“Th.