Oxford of course have lots of data, albeit from small test groups, purely because of a cluster**** of mistakes during global trials.
Resulting in data, for half dose, full dose, one dose for x period, then booster, one dose for y period then booster.
Some not covering all age groups and ethnicity, but enough for approval in the UK.
Pfizer appear to have done a more methodical without errors testing, or at least that’s where they are with their results.
Don’t know much about Moderna other than the UK haven’t bought much of it.
Blair backs the Johnson & Johnson vaccine on the same kind of level that Trump used to back any treatment that he had shares in. That’s a one dose vaccine so there should be good data there.