[Chinese Biology: novel coronavirus mRNA Vaccine Phase Ⅱ Clinical trial launched] Science and Technology Innovation Board Daily reported on the 7th that on June 6th, the novel coronavirus mRNA vaccine phase Ⅱ clinical trial project and researcher training meeting developed by Sinopharmaceutical Group China Biology (Shanghai) Co., Ltd. was officially held in Dengfeng, Henan Province. The phase Ⅱ clinical trial of novel coronavirus mRNA vaccine was conducted in a randomized, double-blind, controlled design. To evaluate the safety and immunogenicity of the vaccine in healthy people aged 18 and above.