<prompt> Rarest variety of pemphigus among the following isP. vulgarisP. foliaceusP. vegetansP. erythematosis  <response>: Pemphigus vulgaris is most common among all pemphigus patients followed by pemphigus foliaceus, pemphigus erythrematosis and then pemphigus vegetansRef: IADVL textbook volume 1 pg 937 