[Study on changes in antibody titers in the blood after smallpox vaccination. 1. Actual status of primary vaccination and changes in antibody titers in the blood in healthy children].
D000367:Age Factors; D000818:Animals; D000906:Antibodies / Q000032:analysis*; D002675:Child, Preschool; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D011817:Rabbits; D012900:Smallpox Vaccine; D013997:Time Factors; D014041:Tokyo; D014611:Vaccination
D000906:Antibodies; D012900:Smallpox Vaccine