Table 2

Proportion of participants explicitly reporting no adverse event and the maximum self-assessed severity of adverse events in participants who did report them

Post-vaccination periodParticipants submitting follow-up reports during time periodParticipants reporting at least one event (% of participants)
Maximum self-assessed severity of any event
0–180 days, or last follow up if earlier
Overall10 78877.381.214.151.370.1815.71
  • *Answered ‘No’ to the question, ‘Have there been any significant changes in your health and wellbeing for any reason (including any that you think may have been due to COVID-19 vaccination)?’ on every occasion in the period.

  • †Answered 'Yes' but did not record any symptoms.