Covid Vaccine-Associated Immune Thrombotic Thrombocytopenia
Rare and unusual adverse thrombotic events and thrombocytopenia may be associated with COVID-19 vaccines from AstraZeneca and Johnson & Johnson (J&J), so called vaccine-associated immune thrombotic thrombocytopenia (VITT). VITT resembles autoimmune heparin-induced thrombocytopenia, a well-known prothrombotic disorder caused by platelet-activating antibodies that recognize multimolecular complexes between cationic platelet factor 4 […]