When Pfizer Inc. and BioNTech SE’s COVID-19 vaccine rolls off production lines, Shanghai Fosun Pharmaceutical Group Co. will be waiting to distribute it through a complex and costly system of deep-freeze airport warehouses, refrigerated vehicles and inoculation points across China.
After they reach vaccination centers, the shots must be thawed from minus 70 degrees Celsius (minus 94 degrees Fahrenheit) and injected within five days. If not, they go bad.
