2023-08-08 15:30:00
From May to the end of November, the tiger mosquito is subject to heightened surveillance by the ARS in the region. Last year, the pest continued its development by colonizing a hundred new municipalities, including several in the Pays de Savoie and in Ain.
Detected for the first time in 2012 in the region, the tiger mosquito continues to establish itself in Auvergne-Rhône-Alpes. Now present in more than 800 municipalities in the region, the pest develops particularly in summer. Each year, from May 1 to December 30, it is subject to enhanced surveillance by the ARS, to prevent or limit the establishment of an autochthonous cycle of arbovirus transmission.
24 cases of dengue fever in Auvergne-Rhône-Alpes
Indeed, the mosquito, recognizable by its black and white striped dress, is a vector of dengue fever, chikungunya or Zika. As of August 2, 24 cases of dengue have been reported in the Region and one case of chikungunya. If the Rhône is the most affected department, two cases of dengue have been detected in Ain and two others in Haute-Savoie.
Nevertheless, these are imported cases (from Guadeloupe, Thailand, Martinique or even Kenya) and not so-called indigenous cases – that is to say, contracted locally. The figure is therefore not alarming, but the ARS recalls the need to fight once morest the mosquito. The diseases it transmits have as symptoms high fevers, joint pains, nausea or skin rashes.
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More than 100 new towns colonized each year
Since 2018, the tiger mosquito has colonized more than 100 new municipalities per year in Auvergne-Rhône-Alpes. In 2022, several municipalities in the Pays de Savoie and Ain saw the insect appear for the first time. Notably Valserhône and Sergy in Ain; Mercury and La Bâthie in Savoie; or Bonneville, Cluses, Perrignier, Thonon-les-Bains and Ville-la-Grand in Haute-Savoie.
The majority of municipalities being located in urban and peri-urban areas, 66% of the inhabitants of the region are directly impacted by the development of the tiger mosquito. To protect yourself from the insect, the ARS recommends wearing long, loose and light-colored clothing and applying skin repellents. In case of suggestive symptoms, especially following returning from a trip, it is advisable to consult your doctor.
Above all, the life of the tiger mosquito being linked to water, it must be prevented from accessing any container or containers of water to prevent its proliferation. It is therefore recommended to store, empty or cover wheelbarrows, buckets and watering cans, ashtrays, garbage cans or flower pots likely to contain water.
Read also 5 things to know regarding the tiger mosquito
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