Is 15 valent pneumonia in the drug trial stage?

Yes The "15 valent pneumococcal conjugate vaccine" developed by Beijing zhifei Lvzhu biopharmaceutical Co., Ltd., a wholly-owned subsidiary of Chongqing zhifei biopharmaceutical Co., Ltd., has completed the preparation for phase III clinical trial at the end of 65438+February of 65438+1June of 923, and the subjects began to enter the group and formally entered the phase III clinical trial, so they are in the drug trial stage.