IDK, put that shit in a properly insulated box stuffed with dry ice pellets, you'll maintain ultra-cold for three days easy with no electricity. So if you're lo

IDK, put that shit in a properly insulated box stuffed with dry ice pellets, you'll maintain ultra-cold for three days easy with no electricity. So if you're loading a plane in Europe that spends 24 hours flying to $remote_destination, it still leaves you with 48 hours to do distribution by road, then you have another 5 days at normal freezer temperatures that is available for actually giving people the vaccine.