Abstract
Background: Hereby, we describe the first case of latent mastocytosis triggered by mRNA-based vaccine to prevent COVID-19 infection.
Case Presentation: In a 42-year-old Arabian man affected by slight, undiagnosed mastocytosis, the second dose of the COVID-19 vaccine made more blatant his latent disease. The postvaccination diagnostic iter is illustrated and the potential reasons causing the onset of the cutaneous mastocytosis are discussed.
Conclusion: Clinicians should keep a longer follow-up of their patients after the COVID-19 vaccination, not related to few hours, for the risk of immediate-type adverse events only.
Graphical Abstract
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