WASHINGTON, United States (AFP) — The Pfizer-BioNTech Covid-19 vaccine can be stored at refrigerator temperatures for up to a month in the United States, the country’s health regulator announced Wednesday, in a change expected to help distribution of the shot. The US Food and Drug Administration said it had made the decision “based on a review of recent data submitted by Pfizer,” and will allow vials of the vaccine to be stored at refrigerator temperatures […]