Each vaccine has different packaging and requirements for storage, preparation, and administration.The Pfizer vaccine is packed in trays, which hold 195 vials. Each vial contains five doses. Five trays are included in each shipping box provided by Pfizer. The boxes weigh 35 kg, and hold 4 875 doses. Each box holds the temperature for 10 days if stored between 15 and 25 °C without opening the container. GPS-enabled temperature-monitoring devices ensure end-to-end distribution occurs within the required temperature range.At destination, the vaccine must be stored at -70 °C. It must be transferred from the transport box to the ultra-cold freezer within five minutes.Moderna’s vaccine is shipped and delivered at a temperature of -20 °C. The vaccine’s standard pack includes 10 vials, with each vial containing 10 doses. There are 100 doses per carton.The vaccine can be stored for up to 30 days in a refrigerator (2–8 °C).Johnson & Johnson (J&J)’s vaccine is also transported at -20 °C. There are 10 vials per carton and 48 cartons per shipper case. AstraZeneca (AZ)’s vaccine is shipped in pallets. Each pallet is made up of 85 cases (20 400 vials). There are 24 cartons per case (2 400 doses) and 10 vials per carton (100 doses).It can be stored for up to six months in the refrigerator (2–8 °C)