COVID keeps evolving, but so does our immunity. Are we now at a ‘stalemate’?
(Lauren Pelley/ CBC News) — After billions of global COVID-19 infections, millions of deaths, and countless lives upended by long-lasting health impacts, we’ve finally hit a point in this pandemic where SARS-CoV-2 isn’t the fearsome pathogen it used to be.
Once thought to kill up to 20 per cent of those …