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

Analysis of 2.53m people who had 1st dose SARS-CoV-2 vaccine show potential link between ChAdOx1 and ITP, with incidence of 1.13 cases/100,000 vaccinations and there was also possible link with arterial thromboembolic & haemorrhagic events. This was not seen with BNT162b2 vaccine

Nature Medicine