New way to store Pfizer vaccine could ramp up vaccinating teens COVID-19 vaccine slowing spread and lowering case numbers in US Replay Video UP NEXT With little fanfare, the U.S. Food and Drug Administration gave Pfizer permission this week to store its COVID-19 vaccine in a typical refrigerator for one month -- freeing the vaccine from the need to be shipped in cumbersome boxes stuffed with dry ice. Among authorized COVID-19 vaccines, Pfizer's vaccine was notorious for its ultra-cold storage requirements. Now, as the only vaccine authorized for children ages 12 to 17, this new flexibility could dramatically accelerate the effort to vaccinate America's teens and adolescents.