Article content continuedThe virus and the host learned to co-adaptSome coronavirus scientists have speculated that perhaps centuries ago there could have been an outbreak like this with coronaviruses that today are seasonal bugs. “We don’t have data on this; we haven’t tested this,” Banerjee said. “But who knows, maybe the coronaviruses that cause mild cold-like symptoms could have been lethal in human populations many, many years ago. “I am just giving the clinical impression, and the clinical impression is the disease is different. I am more optimistic than I was three months ago.”• Email: skirkey@postmedia.com Twitter: sharon_kirkey ‏

Source: National Post June 19, 2020 10:52 UTC