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Mosquitoes that carry West Nile are becoming resistant to insecticides

John VanDenBerg suspects he was gardening when a mosquito got him.

It was September 2018, and VanDenBerg, then 67, had been feeling a little “off” for a few days, he said, like maybe he had the flu.

But one morning, as he was walking out of his Colorado home, he collapsed.

How Does Insecticide Resistance Happen?

Check out this video by MalariaGen focusing on how natural selection drives insecticide resistance relating to malaria.