Host factors in the response to immunization.
D000367:Age Factors; D000906:Antibodies / Q000032:analysis; D005823:Genetics; D006728:Hormones / Q000502:physiology; D006801:Humans; D007114:Immunization; D009747:Nutritional Physiological Phenomena; D012737:Sex Factors; D013997:Time Factors
D000906:Antibodies; D006728:Hormones