Immune deficiency syndrome in children.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000635:transmission*; D000367:Age Factors; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy