In Canada, the cases of COVID-19 and deaths are declining. Here's the story behind the numbers

In late June, doctors at the Toronto General Hospital were still placing near-death people with COVID-19 on ECMO, or extra corporeal membrane oxygen machines, medicine’s most extreme form of life support.ECMO works by pumping blood outside of the body, oxygenating it and then sending it back in. Calls were still coming in daily from doctors in the Toronto region hurrying to rescue people in “advanced respiratory failure.” Sixty people were transferred to the General; 32 went o