This week, the Medical Minefield team revisit Covid jabs: Are people still having them? Reports are showing a major decrease in Covid booster uptake among those most vulnerable to the virus. Mail on Sunday health reporter Ethan Ennals shares stories of the scores of Mail on Sunday readers who have written to tell us of problems accessing the vital vaccines, while Paul Hunter, Professor of Medicine at the University of East Anglia, who speaks of the effects of ‘vaccine fatigue’ – when the momentum of having jab after jab wears off.