Some Coronaviruses Kill, While Others Cause a Common Cold. We Are Getting Closer to Knowing Why
05 October 2022, 08:15 
BELLVILLE, South Africa, Oct 04 (IPS) - It’s hard to imagine a time when “coronavirus” wasn’t a household word. But for a long time, this family of viruses had merited very little attention. Believed to be ubiquitous among animals and avian species, the first coronavirus to infect and cause disease in humans was only isolated and identified in the 1960s.
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