<prompt> A boil is due to staphylococcal infection of -Hair follicleSweat glandSubcutaneous tissueEpidermis  <response>: Folliculitis, carbuncles and furuncles are all types of localized superficial skin infections that fall under the category of boils. Hair follicles serve as portals for a number of bacteria, although S. aureus is the MC cause of localized folliculitis. 