That's likely no longer true. The updated guidance for Pfizer (which originally had colder storage requirements than Moderna) is: "undiluted, thawed Pfizer-Bi

That's likely no longer true. The updated guidance for Pfizer (which originally had colder storage requirements than Moderna) is: "undiluted, thawed Pfizer-BioNTech COVID-19 Vaccine vials to be stored in the refrigerator at 2°C to 8°C (35°F to 46°F) for up to 1 month. Previously, thawed, undiluted vaccine vials could be stored in the refrigerator for up to 5 days." https://www.fda.gov/news-events/press-announcements/fda-brief-fda-authorizes-longer-time-refrigerator-storage-thawed-pfizer-biontech-covid-19-vaccine https://www.fda.gov/news-events/press-announcements/fda-brie...