Did Coronavirus escape from Wuhan lab or jumped from bats to human beings?

Dr Srinivasa K. Rao is a vaccine and biomedical scientist, He is the former Chairman of the Research Committee of LIJ Medical Center, New York, USA. He got his PhD from the University of Paris, France. He at the City University of New York. Here he talks about the origins of Coronavirus and tries to untangle the puzzle of whether the virus jumped from bats to human beings or accidentally leaked from the Wuhan lab in China.