Abstract
Bullous cutaneous reactions can be caused by many factors, including vaccines.1 However, among all cutaneous reactions following coronavirus disease 2019 (COVID-19) mRNA vaccines, bullous reactions are rare. Here, we describe two patients with delayed generalised bullous cutaneous reactions 7 days after receiving Moderna (Spikevax®) and Pfizer–BioNTech (Comirnaty®) COVID-19 vaccination, respectively.