Eric Walker added SARS-CoV-2 strains and variants, Covid-19 and Origin of SARS-CoV-2 and a number of links to SARS-CoV-2, and added SARS-CoV-2 to Severe acute respiratory syndrome-related coronavirus

Eric Walker added Did the Coronavirus Escape From a Lab? and Shifts in global bat diversity suggest a possible role of climate change in the emergence of SARS-CoV-1 and SARS-CoV-2 - ScienceDirect to SARS-CoV-1, and added SARS-CoV-1 to Severe acute respiratory syndrome-related coronavirus

Eric Walker added SARS-CoV-2 and SARS-CoV-1 to Severe acute respiratory syndrome-related coronavirus, and added Severe acute respiratory syndrome-related coronavirus to Sarbecovirus

Eric Walker added Severe acute respiratory syndrome-related coronavirus to Sarbecovirus, and added Sarbecovirus to Betacoronavirus