Pediculus Humanus Corporis Infestation, also known as body louse infestation, is related to lice infestation and epidemic typhus. An important gene associated with Pediculus Humanus Corporis Infestation is AFF2 (ALF Transcription Elongation Factor 2), and among its related pathways/superpathways is Respiratory electron transport, ATP synthesis by chemiosmotic coupling, and heat production by uncoupling proteins.. Affiliated tissues include skin.