This is the 6th case of SARS-CoV2 vaccine-induced Sweet's syndrome (2 Pfizer, 2 AstraZeneca, 1 Moderna, 1 Janssen).
"Herein, we report a rare case of SS with vasculitis and transient IgA monoclonal gammopathy triggered by a Janssen Ad26.COV2.S vaccine."
"A 54-year-old male with no significant past medical history presented to the emergency department in significant pain, with tongue swelling and ulceration. The patient denied fevers, chills, night sweats and weight loss. He received the Janssen Ad26.COV2.S vaccine nine days prior to onset of symptoms." sciencedirect.com/science/a...