Case of autochthonous dengue fever in Metropolitan France: reminder of prevention suggestions

Since Could 1, the beginning date of annual surveillance, 28 circumstances of autochthonous dengue (as of 09/13) have been reported in mainland France within the Provence-Alpes-Côte d’Azur and Occitanie areas. These circumstances occurred in individuals who had not traveled to an space the place the virus is circulating within the 15 days previous the onset of signs. The well being authorities level out that the struggle in opposition to disease-carrying mosquitoes is everybody’s enterprise to forestall the prevalence of epidemic outbreaks in mainland France.

Dengue fever is an infectious illness that’s transmitted from individual to individual via the chew of an contaminated tiger mosquito. The dengue virus circulates repeatedly within the French departments of the Americas (Martinique, Guadeloupe, Guyana), within the French islands of the Pacific and the Indian Ocean.

In mainland France, the mosquito Aedes albopictus or tiger mosquito, potential vector of dengue fever (but additionally of chikungunya and zika) is to this point completely established in 67 departments. Instances of dengue fever imported by a traveler getting back from an space the place the virus is circulating are reported repeatedly, with the danger of autochthonous circulation in these departments.

The signs of dengue fever are most frequently flu-like (fever, headache, physique aches) and seem inside 3 to 14 days (4 to 7 days on common) following the mosquito chew. Dengue impacts infants, younger kids and adults alike. Most frequently benign though the signs are typically very marked, dengue can nonetheless be sophisticated by hemorrhagic kinds.

Therapy is symptomatic, together with ache and fever. Aspirin and non-steroidal anti-inflammatory medicine are contraindicated as a result of threat of bleeding.

The prevention of bites and the struggle in opposition to the proliferation of mosquitoes are important to restrict the prevalence of epidemic foci.

Easy actions to keep away from the proliferation of mosquitoes

Everybody, by modifying their conduct and adopting easy and non-binding gestures, can take part within the struggle in opposition to the proliferation of tiger mosquitoes and assist forestall the introduction of dengue fever, chikungunya and even zika in mainland France.

1. Keep away from the proliferation of mosquitoes

To restrict the event of mosquitoes round your house, it is best to:

Retailer something that may include water (buckets, watering cans) away from the rain;

hermetically tarpaulin or cowl with a mosquito internet the water reserves (barrel, canister, untreated swimming pool); repeatedly empty the saucers of the flower pots;

Make sure that the gutters run easily;

Choose up inexperienced waste that may grow to be resting locations for grownup mosquitoes.

2. Defend your self from mosquito bites

It’s advisable to:

Put on protecting and unfastened clothes;

Use a pores and skin repellent, ideally within the morning and within the night, really useful by a pharmacist, on uncovered areas of pores and skin;

If mandatory, use mosquito nets on the openings (doorways and home windows);

Use crib nets for newborns;

Use electrical diffusers inside properties;

Use insecticide coils solely open air;

Use air conditioners or followers that intrude with mosquitoes.

3. Instantly seek the advice of your physician within the presence of suggestive signs (excessive fever of sudden onset, muscle or joint ache, eye ache, fatigue, headache), specifically if a prognosis of COVID has been dominated out and if they seem inside 15 days following the getting back from a visit to the tropics. This session is crucial to have the ability to be taken care of and to learn of the well being suggestions to keep away from transmitting the illness in flip (avoiding being bitten by mosquitoes through the interval of contagiousness).

In parallel with particular person actions, mosquito management operations are arrange by the ARS as quickly as an imported case or a local case is reported (dengue fever is a notifiable illness), through regional operators in an effort to perform vector management remedies and thus restrict the unfold of the illness. These operations are carried out within the residential areas of the recognized circumstances (public roads, non-public gardens), in addition to within the locations that the contaminated folks frequented throughout their interval of contagiousness. These interventions make it potential to eradicate doubtlessly contaminated grownup mosquitoes and eradicate breeding websites to restrict the proliferation of mosquitoes in these areas and break the chains of transmission of the virus.

To know extra :
Mosquitoes vectors of illnesses – Ministry of Well being and Prevention (solidarites-sante.gouv.fr)

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