The US Food and Drug Administration (FDA) on Wednesday authorised storage of Pfizer Inc and German partner BioNTech SE's Covid-19 vaccine at standard freezer temperatures for up to one month, in an effort to make the vaccine more widely available.
Unopened, thawed vials of the vaccine can be stored in a refrigerator at 2 to 8 degrees Celsius for up to a month, up from a previous maximum limit of five days.
"This change should make this vaccine more widely available to the American public by facilitating the ability of vaccine providers...