Pfizer’s Covid-19 vaccine is pictured at Rady Children’s Hospital before it’s placed back in the refrigerator in San Diego, California on December 15, 2020.Adriana Drehsler | AFP | Getty ImagesU.S. officials said Wednesday they quarantined several thousand doses of Pfizer’s coronavirus vaccine in California and Alabama this week after an “anomaly” in the transportation process caused the storage temperature to get too cold.Pfizer’s vaccine, which was developed with German drugmaker BioNTech, requires a storage temperature of around minus 70 degrees Celsius. Vials of the vaccine are stored in trays, which carry a minimum of 975 doses each, according to the Centers for Disease …
