2023-07-11 05:54:00
In its study published on July 11, 2023, Santé Publique France warned of the exceptional situation in France, in particular concerning the increase in dengue fever cases in France. Thus, 378 imported cases would have been identified as well as 23 of chikungunya and 6 of Zika during the year 2022.
A French public health study of July 11, 2023, reported 378 imported cases of dengue, 23 of chikungunya and 6 of Zika in France during the year 2022. An “exceptional” situation. The tiger mosquito, whose real name is Aedes albopictus, has continued to multiply on French territory since its appearance in 2004.
66 cases for 9 episodes of indigenous transmission
Public Health France (SpF), in its study, is particularly concerned regarding the increase in cases of autochthonous dengue fever. The national agency has documented no less than nine episodes of autochthonous dengue fever transmission totaling 66 cases: five episodes in Occitania (12 cases), three in Provence-Alpes-Côte d’Azur (52 cases) and one in Corsica (two cases). ).
SpF also noted that six of these episodes had occurred in departments where no indigenous case had been reported previously. In 2022, the situation of dengue cases was exceptional, with an increase in the number of episodes, their intensity and the geographical areas concerned, according to West France.
Multiplication of indigenous cases
However, in order to limit the risk of transmission of tiger mosquitoes, surveillance of imported and indigenous cases has been in place since 2006, recalled the weekly epidemiological bulletin of SpF. Indigenous cases are patients who have not traveled to areas where the virus circulates widely such as the West Indies. They were bitten by an infected mosquito in contact with an infected traveler, according to Point.
In 2022, the number of cases recorded is greater than the total number of cases identified over the period 2010-2021 (66 cases once morest 48).
The device of Provence-Alpes-Côte d’Azur put in tension
According to Public Health France, the transmission would also have been earlier, with two cases having presented clinical signs in June instead of July for the cases identified earliest so far.
The surveillance established in mainland France since 2006 has proven to be “effective”, according to SpF, and the “control measures put in place when cases are identified have so far helped to limit the size of indigenous transmissions. “. However, “the episodes of 2022 have put the device under tension in Provence-Alpes-Côte d’Azur”, alerted the health agency, judging “essential to maintain, even to strengthen, the involvement of the various actors.”
According to Public Health France, health professionals must in particular “be better informed of the risk of autochthonous transmission” of these diseases.
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