
The coronavirus was first detected in the Huanan Seafood Wholesale Market in Wuhan, China
HECTOR RETAMAL/AFP via Getty Images
When the first signs of an unknown virus began to appear in Wuhan, China, in December 2019, scientists raced to understand what was happening. In the five years since then, they have not stopped running, overflowing 1 million papers Posted on SARS-CoV-2 and covid-19. However, despite this spill, some big scientific questions about the virus remain.
Is the virus lurking within wildlife?
At the beginning of the pandemic, it became clear that the coronavirus could jump from humans to other animals and back…