why the scenario may persist?
With 800,000 deaths precipitated annually, the mosquito is probably the most harmful animal for people. It spreads many ailments reminiscent of Chikungunya, yellow fever or the Zika virus but in addition dengue fever. Because the starting of the 12 months, 41 autochthonous instances of this illness have been detected in France. In different phrases, these are instances 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 accordance with specialists. New instances may thus be recorded by the tip of October. “The temperatures are nonetheless favorable, that’s to say that if they’re excessive sufficient, we may have a growth of the virus and that is what is usually 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 watch contamination later within the 12 months and doesn’t rule out seeing new instances 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 instances, an contaminated particular person has signs fairly just 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 calmly. 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 among the avenues favored by the authorities. In mosquitoes, solely the females chew and the latter solely mate as soon as of their lifetime. Thus, it might change into inconceivable for them to create offspring, which is able to routinely drop the variety of people prone to transmit the illness.
In France, this method has simply been applied, however the well being authorities place a variety of hope on its success in combating this scourge, which is a possible vector of deadly ailments.