Moderna and Pfizer’s COVID-19 vaccine candidates require ultra-low temperatures, raising questions about storage, distribution
August 27, 2020 at 13:21 PM EDT
The COVID-19 vaccine candidates being developed by Moderna Inc. and BioNTech and Pfizer Inc. will require stringent standards for refrigeration, and that may hamper how they are distributed to the hundreds of millions of Americans expecting to receive them.
