As climate change expands the range of disease-carrying mosquitoes, scientists are intensifying efforts to control the global mosquito population. This issue poses a growing threat, even in regions like Canada where rates are currently low.

<img alt="A mosquitoes sits on the skin." height="349" src="https://i.cbc.ca/ais/1.4292135,1780953721976/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C620%2C348%29%3BResize%3D%28620%29" title="West Nile virus is transmitted through the bite of an infected mosquito, symptoms include fever, skin rash and headache. Stagnant water can provide breeding ground for the mosquitoes." width="620" /><p>Infection rates for deadly mosquito-borne diseases are extremely low in Canada. But experts warn cli...