Introduction The common reported adverse effects of COVID-19 vaccination consist of the
injection site's local reaction followed by several non-specific flu-like symptoms. However …

Thrombotic complications and coagulopathy frequently occur in COVID-19. However, the
characteristics of COVID-19-associated coagulopathy (CAC) are distinct from those seen …

Thrombotic Thrombocytopenia after Ad26. COV2. S Vaccine A 48-year-old woman
presented with a 3-day history of fatigue and abdominal pain 2 weeks after receiving the …

Importance Cerebral venous sinus thrombosis (CVST) with thrombocytopenia, a rare and
serious condition, has been described in Europe following receipt of the ChAdOx1 nCoV-19 …

Reports of ChAdOx1 vaccine–associated thrombocytopenia and vascular adverse events
have led to some countries restricting its use. Using a national prospective cohort, we …

Abstract SARS-CoV-2 vaccine ChAdOx1 nCoV-19 (AstraZeneca) causes a thromboembolic
complication termed vaccine-induced immune thrombotic thrombocytopenia (VITT). Using …

Background Several cases of unusual thrombotic events and thrombocytopenia have
developed after vaccination with the recombinant adenoviral vector encoding the spike …

We report findings in five patients who presented with venous thrombosis and
thrombocytopenia 7 to 10 days after receiving the first dose of the ChAdOx1 nCoV-19 …

The coronavirus disease 2019 (Covid-19) pandemic caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) stimulated the development of highly effective …

Autoimmunity linked to COVID-19 immunization has been recorded throughout the
pandemic. Herein we present six new patients who experienced relapses of previous …