January 6th to 8th, 2022, Yuan Yuan, head of commerce and business development, GAO Guang, senior technical officer, and DONG Haiyan, senior project officer of Shanghai Representative Office, PATH, visited WestVac BioPharma Co., Ltd. (hereinafter referred to as "WestVac Biopharma"), carried out a three-day investigation and training work, and the WestVac Biopharma team accompanied the investigation and held discussion exchange.