New data confirms the lifespan of a Pfizer Covid-19 vaccine in a bar fridge is 31 days, not 5 as originally estimated Adopting this storage policy would result in simpler logistics for site managers, faster immunisation coverage, cheaper equipment and less waste South Africa’s regulatory body has approved the change in storage conditions and the health department sent out a circular on May 21 informing vaccination sites that unopened, thawed Pfizer vials can be now stored in a fridge for up to 31days. South Africa’s medicines regulatory body, the South African Health Products Regulatory Authority (Sahpra), has approved changes to the storage conditions for