The SARS-CoV-2 transmission riddle - Part 7

The contribution of the University of Wisconsin to the study of coronaviridae and rhinoviridae

As we have seen in Riddle 6, respiratory viruses have been the source of investigation for at least a century. Shope, the discoverer of swine influenza and Smith, Laidlaw and Andrewes, discoverers of the human variety, could not visualise the agent, although they could filter it from human washouts. They knew the agent was there, but visualisation had t…