A modern scourge: parents scratch their heads over lice.
D000818:Animals; D006801:Humans; D006920:Hygiene; D007305:Insecticide Resistance; D007306:Insecticides; D010373:Lice Infestations / Q000453:epidemiology / Q000517:prevention & control; D008018:Life Cycle Stages; D008003:Phthiraptera / Q000254:growth & development; D012536:Scalp Dermatoses / Q000453:epidemiology / Q000517:prevention & control; D012915:Soaps
D007306:Insecticides; D012915:Soaps