Had my 2nd vaccination April - Pfizer - was not well the following day which lasted a few days, I was shivering with teeth chattering and couldn't get warm despite the central heating blasting out 23°C!My daughter's 2nd vaccination was mid March (NHS health worker) - she had the Oxford and was also sick for a few days - my OH was fine after both his (pfizer) strange isn't it, how some people have side effects and some don't