Interesting site, but as nearly everyone is getting a two-dose type it's not helpful. The three you mention bought billions, with intentions for any one of the

Interesting site, but as nearly everyone is getting a two-dose type it's not helpful. The three you mention bought billions, with intentions for any one of them to be enough for domestic use and still have enough for the third world. The UK has only ever used two. Supply of jabs in the country would be an interesting stat to measure, I'm pretty sure the UK was supply limited until recently.