华兰生物：控股子公司获得《药物临床试验批准通知书》

Core Viewpoint - Hualan Biological's subsidiary has received approval for a clinical trial of a new vaccine, indicating progress in its vaccine development pipeline [2] Group 1: Company Announcement - Hualan Biological announced on August 13 that its subsidiary, Hualan Biological Vaccine Co., Ltd., received a clinical trial approval notice from the National Medical Products Administration [2] - The approved clinical trial is for a "lyophilized type b Haemophilus influenzae conjugate vaccine" [2]