HONG KONG – The CFDA gave the green light to Chongqing Zhifei Biological Products Co. Ltd. (SZ:300122) to launch its joint vaccine against group A and C meningococcus and haemophilus influenzae type B (AC-Hib). Zhifei's subsidiary, Beijing Zhifei Lvzhu Biopharmaceutical Co., developed the vaccine that aims to prevent infectious diseases such as meningitis, pneumonia, septicemia, cellulitis, arthritis and epiglottitis caused by group A and C meningococcus as well as type b haemophilus influenzae (Hib).