As the debate continues over the origins of the coronavirus, a heated political battle is taking place over virus research carried out in China using US funds.
It's linked to the unproven theory that the virus could have leaked from a lab in Wuhan, the Chinese city where it was first detected.
A report released by Republican lawmakers cites "ample evidence" that the lab was working to modify coronaviruses to infect humans and calls for a bipartisan investigation into its origins.


