Acquired hemophilia following COVID-19 vaccination: Case report and review of literature.
Michiel HappaertsThomas VanasschePublished in: Research and practice in thrombosis and haemostasis (2022)
Vaccines may trigger autoimmune events such as AHA. However, proof of causality is not possible and in this case the relapse of bullous pemphigoid before vaccination challenges this even more.