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when can I go round for a cup of tea?
It's complicated. My Dad got the Pfzier vaccine yesterday (mid 70s but extremely clinically vulnerable). Different to the Oxford vaccine, but it will take 12 days to even start doing anything, a few weeks after that it should typically be 52% effective.
He's due to have his second dose on the 2nd April, a week after that it would typically be 95% effective.
All this aside, the vaccinated will have to follow the same rules as everyone else because the advice after you've had the first jab is to act like you've not had it, then even when you've had the second you may still spread it.
So although my Dad will be as safe as he's going to be from 9th April we've got to hope that infection rates will have dropped by then and social distancing rules relaxed.
Fox-
but it will take 12 days to even start doing anything, a few weeks after that it should typically be 52% effective.
The 52% often quoted includes the early period when it does nothing. The effectiveness after 15 days is estimated at 89%.
They also reckon the Oxford vaccine is 73% effective 22 days after one dose.
grams
Sorry if this is covered elsewhere - my grandma just had her first dose of the astra zeneca vaccine - when can I go round for a cup of tea?