Chia Tai Tianqing Biochemical: Quadrivalent influenza vaccine has completed the first national vaccination.

On August 13, Chifeng Biotechnology announced on its official WeChat account that recently, the four-valent influenza virus split vaccine independently developed and produced by Anhui Chifeng Longke, a wholly-owned subsidiary of the listed company, completed the first national vaccination in Hefei City, Anhui Province. This marks a major breakthrough for Chifeng Biotechnology in the field of influenza vaccines.