Safety of COVID‐19 vaccine challenge in patients with immediate adverse reactions to prior doses: A multi‐centre cohort study. Issue 1 (9th August 2022) - De Luca, Joseph F.; Awad, Andrew; Vogrin, Sara; Douglas, Abby P.; Lutjen, Antje; Gordon, Sally F.; Crawford, Nigel W.; Barnes, Sara; Trubiano, Jason A.