![CMS-medicare-AHA-comment](/sites/default/files/2018-05/CMS-medicare-AHA-comment.jpg)
The Food and Drug Administration will allow undiluted frozen vials of the Pfizer COVID-19 vaccine to be transported and stored at conventional pharmaceutical freezer temperatures (-13°F to 5°F) for up to two weeks as an alternative to its preferred storage at -112 F to -76ºF, the agency announced.