La menace des moustiques

STANFORD – Les maladies transmises par les moustiques tuent des millions de personnes chaque année et causent des souffrances à beaucoup d'autres. En 2012, on recensait 207 millions de cas de paludisme, entraînant près de 627 000 décès. La dengue est une des principales causes de maladie et de mortalité dans les régions tropicales et subtropicales et compte jusqu'à 100 millions de personnes infectées par an. On recense 200 000 cas de fièvre jaune par an, entraînant près de 30 000 décès dans le monde entier.

Une seule piqûre de moustique porteur de la maladie suffit à transmettre une infection débilitante ou mortelle. Et les moustiques se reproduisent et se multiplient à une vitesse étonnante. Étant donné qu'il n'existe aucun vaccin ni traitement pour des maladies comme la dengue et le virus du Nil occidental et que les traitements pour des maladies comme le paludisme sont difficiles d'accès dans de nombreuses zones à risque, il faut absolument mettre en place des mécanismes de contrôle plus efficaces sur les populations de moustiques.

La bonne nouvelle est qu'une nouvelle technologie prometteuse est prête pour procéder à des essais sur le terrain. Il incombe à présent aux organismes du secteur public de faciliter son développement.

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