why the scenario may persist?
With 800,000 deaths induced annually, the mosquito is essentially the most harmful animal for people. It spreads many illnesses comparable to Chikungunya, yellow fever or the Zika virus but additionally dengue fever. For the reason that starting of the 12 months, 41 autochthonous circumstances of this illness have been detected in France. In different phrases, these are circumstances of contamination that weren’t imported from abroad the place the illness circulates extra. What entice the vigilance of the well being authorities.
Particularly because the phenomenon may proceed, in response to specialists. New circumstances may thus be recorded by the top of October. “The temperatures are nonetheless favorable, that’s to say that if they’re excessive sufficient, we could have a growth of the virus and that is what is mostly noticed within the months of September and October, which is why it we should proceed to be vigilant”, explains Harold Noël, epidemiologist at Public Well being France.
With international warming, this specialist expects to look at contamination later within the 12 months and doesn’t rule out seeing new circumstances recognized in November. Transmitted by the tiger mosquito, a species that arrived in mainland France in 2004, dengue is now current in 67 departments. A determine in fixed evolution. In about one in three circumstances, an contaminated particular person has signs fairly much like these of the flu: fever, physique aches and even complications.
Introducing sterilized male people into the wild
Subsequently, the well being authorities don’t intend to take this topic flippantly. When a brand new case is detected, mosquito management operations are put in place, as in Strasbourg final week. In the long run, a nationwide technique is starting to emerge to fight the proliferation of tiger mosquitoes.
The introduction of sterilized male tiger mosquito specimens into the wild is likely one of the avenues favored by the authorities. In mosquitoes, solely the females chunk and the latter solely mate as soon as of their lifetime. Thus, it might turn into not possible for them to create offspring, which is able to robotically drop the variety of people more likely to transmit the illness.
In France, this method has simply been applied, however the well being authorities place numerous hope on its success in combating this scourge, which is a possible vector of deadly illnesses.