We need a Conscious Extinction movement to rid the world of the animals and plants that cause the worst disease and suffering.
It's good that smallpox and rinderpest are extinct. It's good that the screwworm fly and malarial mosquitos were extinct in the developed world. So let's extend the logic to other disease-carrying mosquito species, along with lots of other pests, and let's not stop at the borders of the rich world.