Second-dose ChAdOx1 and BNT162b2 COVID-19 vaccines and thrombocytopenic, thromboembolic and hemorrhagic events in Scotland

Colin R Simpson^* (Corresponding Author), Steven Kerr, Srinivasa Vittal Katikireddi, Colin McCowan, Lewis D Ritchie, Jiafeng Pan, Sarah J Stock, Igor Rudan, Ruby S M Tsang, Simon de Lusignan, F D Richard Hobbs, Ashley Akbari, Ronan A Lyons, Chris Robertson, Aziz Sheikh^* (Corresponding Author)