Baskets of prawns on sale at the Wuhan Baishazhou Market in China’s central Hubei province HECTOR RETAMAL/AFP via Getty Images
The window of opportunity to establish the origins of SARS-CoV-2 will close within months if action isn’t taken soon, warn scientists tasked by the World Health Organization (WHO) to discover how the virus emerged.
In a wide-ranging article in the journal Nature, the team calls for a second phase of origin studies to start urgently and asks for renewed focus on an animal origin of the virus, rather than a leak from a laboratory. The …