It invades the Hexagon very quickly. Implanted in 20 departments in 2016, the tiger mosquito is today well installed in 51 of them according to the latest data from the Ministry of Health. And the bad news: this insect likely to transmit viruses such as dengue, chikungunya or Zika appreciates the heatwave, which currently affects our country. Here is what you need to know about the Tiger mosquito which risk of proliferating with the strong Chaleur.
What is the tiger mosquito?
The insect owes its name to the white stripes that it focuses on its black body. It has started to settle in Europe in 2004, from the tropical regions of America, Asia, and the Caribbean, mainly because of the transportation by boat of tires or bamboo.
He lives in the immediate vicinity of the dwellings and reproduces in freshwaters stagnant. The Mosquito-tiger is a little smaller (approximately 5 mm) that the mosquito “classic”. Unlike the latter, which stings especially at dusk and during the night, it is often in the day. Its bite is moreover more painful. As for the entire family of mosquitoes, only female spades, because it has need of blood for the maturation of its eggs.
Why is it dangerous?
These diseases such as dengue and chikungunya cause muscle pain, headache, generalized fatigue as well as a rash. In rare cases, dengue fever can be fatal. The Tiger mosquito can also transmit the virus Zika, whose symptoms are close to those of the Dengue and chikungunya. The disease remains often mild but in the pregnant woman, it can cause a severe malformation of the braincase of the fetus, responsible for important mental retardation.
It may also, in rare cases cause a progressive paralysis of certain members, often reversible. But a bite of this mosquito does not mean that it is automatically contaminated by one of these viruses. Far from it. Because for that the insect transmits a virus, it must itself be contaminated, and that it has, therefore, pique a person is a carrier of a disease. However, these are very infrequent in metropolitan Europe, with the exception of a few imported cases. The number of people affected by these diseases rarely exceeds 100 cases per year. Most of the time, the victims had traveled to the West Indies, in the meeting or in South America for example.
How to react in the event of a bite?
The only reflex has: Disinfect. “It must be done very quickly, in the 10 or 15 minutes after the bite. This will allow a possible virus not to be inoculated, prevents Stéphane Gayet, Doctor infectious diseases at the CHU in Strasbourg. In addition, disinfection prevents a possible bacterium that was previously on the skin to cause an infection, such as a boil.
The next step is to be attentive to its general condition. If at the end of a few days, a headache occurs, this may mean that the mosquito has transmitted a virus. Do not yield to the panic. The Chikungunya and the virus Zika are not fatal. Dengue fever can be, but in very rare cases among people most fragile. In all cases, take quickly appointments with your doctor. Nothing serves to rush to emergencies. “Anyway there is no curative treatment,” says Stéphane Gayet.
How to protect from tiger mosquito?
The main gesture to adopt is to eliminate the small reserves in which the water can stagnate (tarp, Cups of plants…) in the vicinity of dwellings. It is here that the mosquito is reproduced.
Knowing that he must only a few millimeters of water for this. In the case of meeting with a mosquito-tiger, it is also advised to alert the regional health authority, before the kill. Remember also to alert your neighbors to ensure that they are vigilant. Finally, to protect themselves against it, nothing is worth the long sleeves, which cover the arm. You can also install the nets to prevent insects to return in the interior.