11,900 Doses of Moderna Vaccines Spoil During Transport: Health Officials

Vials with a sticker reading "COVID-19/Coronavirus vaccine/Injection only" and a syringe are seen in front of a displayed Moderna logo in this illustration taken on Oct. 31, 2020. Dado Ruvic/Reuters

McKesson distributing company notified Michigan state health officials on Tuesday that 11,900 doses of Moderna vaccines were damaged due to exceeding cold temperature limits.

Twenty-one shipments of the vaccine were reported to have their temperature drop below the safety range on Sunday, Jan. 17. The pharmaceutical distributor will investigate the causes.