vaccines. Here we compare rates of thrombosis and thrombocytopenia following vaccination
against SARS-CoV-2 with the background (expected) rates in the general population. In
addition, we compare the rates of the same adverse events among persons infected with
SARS-CoV-2 with background rates. Primary care and linked hospital data from Catalonia,
Spain informed the study, with participants vaccinated with BNT162b2 or ChAdOx1 …