The long-awaited phone call came from our GP – and so it was time to unblind me.
You may recall that last summer I took part in the placebo-controlled phase 3 efficacy trials for the Oxford-AstraZeneca COVID-19 vaccine. The big question was I injected with the vaccine for covid or with the placebo, a vaccine for meningitis. The vials were allocated at random and neither I nor those supervising the trial knew which vaccine I had been given.
As it happens the last time I