Both SARS-CoV-1, the virus that caused the 2003 outbreak of Severe Acute Respiratory Syndrome (SARS), and SARS-CoV-2, which causes COVID-19, originate from a group of betacorona viruses known as “subgroup 2b.” Coronaviruses from this subgroup have been highlighted as having significant potential to cross from animal hosts to humans with deleterious consequences, COVID-19 being the...