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Incidence of bullous pemphigoid and pemphigus in Switzerland: a 2‐year prospective study

Background  Bullous pemphigoid (BP), pemphigus vulgaris (PV) and pemphigus foliaceus (PF) are autoimmune bullous diseases characterized by the presence of tissue‐bound and circulating autoantibodies directed against disease‐specific target antigens of the skin. Although rare, these diseases run a chronic course and are associated with significant morbidity and mortality. There are few prospective data on gender‐ and age‐specific incidence of these disorders.