China speeds up its development of COVID-19 antiviral drugs. Clinical trials in antibody drugs have been very effective, considerably reducing hospitalizations and mortality rates. CGTN's Zhou Jiaxin talks to Zhang Linqi, professor at School of Medicine in Tsinghua University and Xie Xiaoliang, professor at School of Life Sciences at Peking University to find how the neutralizing antibody drugs will become another medical weapon in the fight against COVID-19.