[Immunological consideration of revaccination].
D000906:Antibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D012882:Skin Tests; D012899:Smallpox / Q000276:immunology*; D012900:Smallpox Vaccine; D014611:Vaccination
D000906:Antibodies; D012900:Smallpox Vaccine