Long-term effects of Covid vaccine - are there any long-term side effects of Pfizer jab?
These side-effects should last no longer than 24 hours or so, he told a Downing Street press conference on Wednesday morning.
Although the vaccine was manufactured and gained approval within a short space of time, no corners were cut in assessing its safety.
Batches of the vaccination will also be tested in labs concurrently, to make sure that “every single vaccine that goes out meets the same high standards of safety”, added the head of MHRA, Dr June Raine.
