The natural history of infectious disease as manifested at different ages.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000937:Antigen-Antibody Reactions; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000150:complications / Q000276:immunology; D005260:Female; D006801:Humans; D007136:Immunoglobulins; D007223:Infant; D007231:Infant, Newborn; D007958:Leukocyte Count; D008431:Maternal-Fetal Exchange; D008875:Middle Aged; D011247:Pregnancy
D007136:Immunoglobulins