ANTIBODY RESPONSE TO SMALLPOX VACCINATION AS EXPRESSED BY PLAQUE REDUCTION ON HELA CELLS.
D000917:Antibody Formation; D006367:HeLa Cells; D006801:Humans; D009500:Neutralization Tests; D012899:Smallpox; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine
ANTIBODY FORMATION; NEUTRALIZATION TESTS; SMALLPOX VACCINE