Bat virus? Bioweapon? What the science says about Covid-19 origins (South China Morning Post)

As the Covid-19 pandemic has infected its way through human populations around the globe, it has been followed by a web of speculation about where the new coronavirus actually came from. Assoc Prof Gavin Smith, from the Emerging Infectious diseases programme at Duke-NUS, comments in this article on how the virus is more likely to mutate as it infects more hosts.