adaptation; adolescent
; Adult
; Animals
; Child
; English Abstract
; host parasite
; Humans
; Lice Infestations/parasitology/transmission
; Pediculus
; Russia
adolescent; Adult
; Animals
; Child
; Humans
; Lice Infestations/epidemiology/parasitology/prevention & control/transmission
; Middle Aged
; Military Personnel
; Pediculus
; Russia/epidemiology
; scalp dermatoses
; Seasons
Animals; Comparative Study
; English Abstract
; Germany
; Pediculus
; Species Specificity
; USSR
Animals; Humans
; insecticide
; Lice Infestations/parasitology/prevention & control
; Pediculus
pediculosis; epidemiology
; Russia
; ecology