Most anti-PF4 antibodies in Covid-19 vaccine-induced immune thrombotic thrombocytopenia are transient
Platelet-activating anti-PF4 antibodies in VITT are transient in >90% of patients. Likely VITT patients can safely receive a second vaccination shot with an mRNA vaccine, independent of their VITT-antibody status. Vaccine-induced thrombotic thrombocytopenia (VITT) is triggered by vaccination against COVID-19 with adenovirus vector vaccines (ChAdOx1 nCoV-19; Ad26.COV2-S). In this observational study, were followed VITT patients