Moderna and Pfizer’s COVID-19 vaccine candidates require ultra-low temperatures, raising questions about storage, distribution

Executives from Moderna and Pfizer on Wednesday separately told the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practice on Wednesday that mRNA-1273, which is Moderna’s coronavirus vaccine candidate, requires a storage temperature of negative 4 degrees Fahrenheit. BioNTech and Pfizer’s candidates, BN1162b2 and BNT162b2, need to be stored in negative 94 degrees Fahrenheit. ...

“These storage conditions would make traditional office or pharmacy administration very difficult,” SVB Leerink analysts wrote in a note to investors on Thursday. “These conditions could be met at tertiary hospitals and laboratories and could be accommodated in intensive one-day vaccination events at such sites, but this would still only cover a fraction of the healthy population.” ...