title: Human immunodeficiency virus transmission in household settings--United States.
mesh_terms: D000368:Aged; D017028:Caregivers; D002675:Child, Preschool; D005190:Family; D005260:Female; D015658:HIV Infections / Q000635:transmission*; D006801:Humans; D018445:Infectious Disease Transmission, Vertical; D014481:United States