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Update on research into vaccines, COVID-19 and blood clotting events

Researchers undertook a self-controlled case series study of people vaccinated in England between December 1, 2020 and April 24, 2021, in order to investigate hospital admission for, or death from, thrombocytopenia and venous and arterial thromboembolic events in the 28 days following three exposures: first dose of ChAdOx1nCoV-19; first dose of BNT162b2 mRNA; and a positive SARS-CoV-2 test.

The findings have been published in The BMJ.


Speakers included:

Prof Julia Hippisley-Cox, Professor of Clinical Epidemiology and General Practice at the University of Oxford

Prof Aziz Sheikh, Professor of Primary Care Research & Development and Director of the Usher Institute at The University of Edinburgh

Dr Martina Patone, Statistician at the University of Oxford


This Briefing was accompanied by an SMC Roundup of Comments.

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