Ultrafiltration
System
Wave Bioreactor
Magnetic Stirrer
System
Vial Filling Line
Isolator System
Overall Solution Provider
BFS System
PFS Inspection System
Secondary Packaging System
A COVID-19 vaccine developed by a unit of China's Chongqing Zhifei Biological Products (Zhifei) showed an 81.76% efficacy rate against COVID-19 cases of any degree of severity in a large, late-stage trial, Zhifei said on Friday.