China, ground zero of the novel coronavirus outbreak, confirmed its first COVID-19 vaccine patent Sunday, according to state-affiliated media. "#China has approved its first #COVID19 #vaccine patent, which has been developed by PLA infectious disease expert Chen Wei's team. Earlier, the phase 2 trial of the vaccine candidate found that the vaccine is safe and induces an immune response," China Global Television Network (CGTN) said on Twitter. Citing data from ...