A contagious infestation of parasitic insects found on the head (Pediculus humanus capitis), body (Pediculus humanus corporis), or pubic area (Pthirus pubis) that typically cause itching and rash. The disease is lice infestation (MONDO_0003472). Also known as: Pediculus humanus infection, infestation by Pediculus, louse infestation, louse infestation (& [pediculosis and Phthirus] or [lice]), mixed pediculosis, mixed pediculosis infestation, pediculosis, pediculosis + lice.