<qa>  What is the primary objective of Derma Vax?Our primary objectives are: to assess safety and tolerability of Intradermal electroporation IDEP using Derma VaxTrademark administered after pretreatment with either EMLARegistered Trademark cream as topical anesthetic or with placebo and to determine if the EMLARegistered Trademark cream applied to the electroporation site significantly decreases pain associated with the IDEP procedure. Our secondary objectives are: to determine the magnitude of pain perception of IDEP; to determine the quality of pain perception during IDEP using a Visual Analog Scale and the McGill pain scale; to determine the time course after IDEP of Pain rating and skin irritation and to determine variations in skin resistance with and without EMLARegistered Trademark cream and between participants. 