Association of COVID-19 vaccines ChAdOx1 and BNT162b2 with major venous, arterial, or thrombocytopenic events: A population-based cohort study of 46 million adults in England. oleh William N Whiteley, Samantha Ip, Jennifer A Cooper, Thomas Bolton, Spencer Keene, Venexia Walker, Rachel Denholm, Ashley Akbari, Efosa Omigie, Sam Hollings, Emanuele Di Angelantonio, Spiros Denaxas, Angela Wood, Jonathan A C Sterne, Cathie Sudlow, CVD-COVID-UK consortium