Summary of findings:-25.4 per cent of vaccinated people indicated suffering from one or more systemic (excluding the area where the injection took place) side effects, whereas 66.2 per cent reported one or more local (at the injection site) side effects.-13.5 per cent of participants reported side effects after their first Pfizer dose, 22.0 per cent after the second Pfizer dose and 33.7 per cent after the first AstraZeneca dose.-The most reported systemic side effect was a headache.
7.8 per cent of people reported suffering from headaches after the first Pfizer dose and 13.2 per cent after the second Pfizer dose.