Institute of Virology: Man-made coronavirus beyond human intelligence

The Wuhan Institute of Virology of the Chinese Academy of Sciences is working on an inactivated vaccine for COVID-19. It houses the Wuhan National Biosafety Laboratory. As China's first level-four biosafety lab, it has been the focus of suspicion and conspiracy theories since the outbreak began in the city. CGTN's reporter talked to the director of the lab about its work.