Dengue instances detected within the South West: what we all know in regards to the proliferation of the illness

Tiger mosquitoes are carriers of three ailments that aren’t quite common in mainland France: zika, chikungunya and dengue fever. Relating to the latter, a number of instances have been reported throughout the summer season, a few of which have been incubated in France with out the affected person having traveled overseas beforehand. Here’s what we all know in regards to the contaminations just lately recognized.

An “imported” illness generally

Annually, a number of instances of dengue reported by medical doctors are reported to the regional well being businesses of the 67 French departments in mainland France the place the tiger mosquitoes dwell. This illness, which generally causes joint ache and fever, also can exist in a extreme kind, known as hemorrhagic, and trigger main well being issues. There is no such thing as a particular healing remedy or vaccine towards dengue fever, because the Ministry of Well being reminds us. Aspirin and non-steroidal anti-inflammatory medicine are contraindicated because of the danger of bleeding.

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Most of these affected are instances of “imported” dengue fever, contracted overseas and incubated in France; French tiger mosquitoes are subsequently not answerable for the 123 instances of imported dengue fever recorded throughout the summer season on August 26, 2022, and distributed all through France, together with in departments with out the presence of the insect. Nonetheless, a few of the instances affecting the South are extra specific and worrying.

Indigenous instances

3 autochthonous instances of dengue have been confirmed by the ARS within the Southwest between July 1 and September 2: one within the Pyrénées-Orientales, one in Haute-Garonne, and one within the Hautes-Pyrénées. The city of Salvetat-Saint-Gilles, close to Toulouse, was thus affected by a case on the finish of August, requiring mosquito management within the neighborhood of the contaminated particular person. These instances are “indigenous” as a result of contracted by individuals who haven’t just lately traveled overseas: the illness was subsequently carried by a tiger mosquito uncovered to the illness in France.

Certainly, if the illness is native to tropical international locations, the good adaptability of the tiger mosquito and the French local weather, favorable to its growth, clarify why a number of instances per 12 months might be autochthonous. Nonetheless, we can not communicate of an epidemic given the very low variety of instances. The Parisian additionally reviews a number of instances detected within the PACA area.

A well-defined well being protocol

The ARS protocol stipulates that mosquito management should happen across the residence of every particular person affected by the illness, as arrange by the municipality of La Salvetat-Saint-Gilles; any case should subsequently be reported to keep away from issues and forestall proliferation. To protect towards the dangerous results related to the deliberate mosquito repellent spraying, the municipality of Haute-Garonne recommends that the neighbors of the affected family, amongst different issues, convey within the linen, the kids’s toys and the meals situated outdoors. outdoors, or to convey the animals inside and defend their bowls.

The Occitanie Regional Well being Company has reported that not one of the indigenous instances reported have a severe kind. As for zika and chikungunya, whereas a number of imported instances are reported every year, their frequency stays a lot rarer than that of dengue fever.