Key thing is this line in the Guarniad.Originally Posted by The Bloop
"And while there are some early signs the Oxford/AstraZeneca vaccine might not only prevent people becoming seriously ill with Covid but also prevent asymptomatic infections, more data is needed to confirm such protection."
This could give the Oxford vaccine a real advantage. The Pfizer jab isn't known to prevent onward transmission so a vaccinated person would still have to exercise the social distancing rules etc in case they carry the virus with no ill-effects (thanks to the vaccine).
If the Oxford jab prevents transmission then people who can't get vaccinated for whatever reasons will also get protected as we head towards herd immunity.
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