How the Pfizer vaccine will be distributed in the UK

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