Pfizer site in Puurs, Belgium, makes 40m vaccine doses destined for the UK
Up to 1,000 doses at a time are placed into special freezer boxes
The boxes keep the vaccine at -70C for 10 days
Outer carton
Rechargeable dry ice
Insulation
Inner carton
Vaccine vials
Boxes are flown to the UK then sent to hubs and vaccination centres
At any point, the boxes can be recharged with dry ice
Thermo-sensors and GPS trackers relay temperature data to Pfizer control
Delivered vaccines can be stored in medical fridges for up to five days at 2-8C
Vials then go to more than 1,500 immunisation centres in England alone
Pfizer site in Puurs, Belgium, makes 40m vaccine doses destined for the UK
Up to 1,000 doses at a time are placed into special freezer boxes
The boxes keep the vaccine at -70C for 10 days
Boxes are flown to the UK then sent to hubs and vaccination centres
Outer carton
Rechargeable dry ice
Insulation
Inner carton
Vaccine vials
1
2
3
7
6
5
4
Vials then go to more than 1,500 immunisation centres in England alone
Delivered vaccines can be stored in medical fridges for up to five days at 2-8C
At any point, the boxes can be recharged with dry ice
Thermo-sensors and GPS trackers relay temperature data to Pfizer control