Lumphocyte sensitisation passed to the child from the mother.
D001942:Breast Feeding; D005260:Female; D006801:Humans; D007109:Immunity; D007114:Immunization; D007226:Infant Mortality; D007231:Infant, Newborn; D007962:Leukocytes / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology*; D008431:Maternal-Fetal Exchange; D008895:Milk, Human / Q000276:immunology; D011247:Pregnancy; D014374:Tuberculin Test