> > Almost all developer countries, urban centres, where majority of people live anyway. > At -80C? Absolutely. This is a solved problem. You can buy dry ice

> > Almost all developer countries, urban centres, where majority of people live anyway. > At -80C? Absolutely. This is a solved problem. You can buy dry ice at your local supermarket. I buy meat from a ethical farming operation that ships their product in insulated packages packed with dry ice. There's almost always dry ice left over. I made a bottle bomb out of the remainder once. Every major medicine manufacturing company will already have had supply chains in place to deal with this for other medicines. Storage is a red herring. It won't last more than a day in any given medical facility.