ZHIFEI-BIOL: Its quadrivalent influenza vaccine has completed the first nationwide vaccination
On August 13th, ZHIFEI-BIOL's official WeChat account announced that recently, the quadrivalent influenza virus split vaccine independently developed and produced by its wholly-owned subsidiary Anhui ZHIFEI Longke Ma completed the first nationwide vaccination in Hefei City, Anhui Province, marking a significant breakthrough for ZHIFEI-BIOL in the field of influenza vaccines
