Study with over 29 million people in England shows Covid-19, not vaccination, presents biggest blood clot risks.

Press release: Covid-19, not vaccination, presents biggest blood clot risks – University of Oxford

Original study: Risk of thrombocytopenia and thromboembolism after covid-19 vaccination and SARS-CoV-2 positive testing: self-controlled case series study – The BMJ

Editorial: Strengthening international surveillance of vaccine safety – The BMJ

Commentaries:

Expert reaction to study looking at risk of thrombocytopenia and thromboembolism after COVID-19 vaccination and SARS-CoV-2 infection – Science Media Centre

Covid: Vaccine complications dwarfed by virus risks – BBC

Commentary on Twitter

#BMJInfographic Fast track research looked at patient level data for ~30 million people vaccinated in England and found that thrombosis risks associated with covid-19 vaccines are lower than that associated with covid-19 infection https://t.co/R0JlcuvMez @JuliaHCox pic.twitter.com/XMzXK6UOBc

— The BMJ (@bmj_latest) August 27, 2021