In a recent study, Greinacher et al. 1 reported thrombotic complications, mostly cerebral vein thrombosis, associated with thrombocytopenia in 11 patients after they had been vaccinated with ChAdOx1 ...

The level of anti–PF4–heparin antibodies was measured with the use of an enzyme-linked immunosorbent assay (ELISA), and the levels of antibodies against various antigenic sites of the SARS-CoV-2 spike ...

Heparin-induced thrombocytopenia/thrombosis (HIT) is a potentially fatal immune complex mediated thrombotic disorder that develops in ∼1% of patients exposed to ...

The immune response to complexes of the positively charged chemokine platelet factor 4 (PF4, CXCL4) and polyanions 1, shows a spectrum of symptoms in patients with asymptomatic serum positivity for ...