Nutrition and infection.
D000818:Animals; D000917:Antibody Formation; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D004032:Diet; D006801:Humans; D007111:Immunity, Cellular; D007239:Infections / Q000378:metabolism; D007408:Intestinal Absorption; D009748:Nutrition Disorders / Q000276:immunology; D009747:Nutritional Physiological Phenomena; D010587:Phagocytosis; D013312:Stress, Physiological / Q000378:metabolism