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.
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.