https://www.selleckchem.com/ph....armacological_epigen
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is a severe adverse effect of ChAdOx1 nCoV-19 COVID-19 vaccine (Vaxzevria) and COVID-19 vaccine Janssen (Ad26.COV2.S), and associated with unusual thrombosis. VITT is caused by anti-platelet factor 4 (PF4) antibodies activating platelets through their FcgRIIa receptors. Antibodies activating platelets through FcgRIIa receptors have also been identified in COVID-19 patients. These findings raise concern that vaccination-induced antibodies against anti-SARS-CoV-2 spike p