evidence: - 23 June – Figures released by Nisra show one death has been linked to an allergic reaction to COVID vaccine in Northern Ireland. The death occurred in the first quarter of the year.[226] [...] - 30 September – - At 6pm, social distancing restrictions for shops, theatres and a number of other indoor settings come to an end in Northern Ireland. Instead some indoor venues are asked to voluntarily introduce rules such as proof of double vaccination or a negative lateral flow test.[342] [...] - ^ "Covid-19: Vaccine reaction listed as underlying cause for one NI death". BBC News. 23 June 2021. Retrieved 26 June 2021.