On Tuesday, October 17, health authorities announced that an indigenous case of dengue, meaning likely locally transmitted by a mosquito, had been reported for the first time in Ile-de-France, also unprecedented for a region in the north of metropolitan France. . The regional health agency of the region (ARS) confirmed in a press release that “First indigenous case of dengue in Ile-de-France“.
The case was found in Limail-Brevan (Val-de-Marne), about fifteen kilometers southeast of Paris. A”native case” means the person has not recently traveled to areas of the world, such as the Antilles, where this virus, which is transmitted from person to person by tiger mosquitoes, is widespread.
This means that the person probably became infected locally after being bitten by one of these mosquitoes, whose presence has increased in mainland France for almost 20 years in the context of global warming.
Unprecedented multiplication
This logically leads to an unprecedented increase in dengue cases in mainland France, 66 in 2022 and already nearly thirty for the current year. These cases have previously been observed in southern regions, where the a priori climate is more favorable for the tiger mosquito. The case reported by ARS Ile de France is therefore the first in a region this far north.
In 2022, the dengue epidemiological situation in mainland France was “exceptional,” according to a report published this summer by Public Health France. Last year alone, local infections surpassed the total number of cases detected between 2010 and 2021 (66 cases compared to 48). Dengue is a viral disease that causes a high fever, rarely progressing to a more serious form that causes bleeding. Deaths, however, are very rare, about 0.01% of all cases.
Since mid-August, the overseas Antilles have been in an epidemic phase, and health authorities are monitoring the profiles at risk of serious forms, especially patients with sickle cell disease.
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Source: Le Figaro
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