The US and Canada used to have a big malaria problem. Over a thousand people died constructing the Rideau Canal, and majority were from malaria.[0] [0]https://

The US and Canada used to have a big malaria problem. Over a thousand people died constructing the Rideau Canal, and majority were from malaria.[0] [0]https://en.wikipedia.org/wiki/Rideau_Canal#Construction_deaths https://en.wikipedia.org/wiki/Rideau_Canal#Construction_deat...