It started out as a fringe conspiracy theory touted by Donald Trump. Now the suggestion that the deadly coronavirus was leaked from a laboratory in China is gaining both scientific and political traction.
Coronavirus
Politico: Why the coronavirus lab leak theory won’t go away
This photo taken on Feb. 4, 2020 shows a medical staff member collecting a sample taken from a person to be tested for the new coronavirus at a quarantine zone in Wuhan, the epicenter of the outbreak, in China's central Hubei province.
