THE IMMUNOLOGIC RELATIONSHIP OF VARIOLA AND VACCINIA VIRUSES. A-UTILIZING HEMAGGLUTINATION INHIBITION TESTS.
D000818:Animals; D002642:Chick Embryo; D006385:Hemagglutination Inhibition Tests; D007106:Immune Sera; D011817:Rabbits; D012106:Research; D012899:Smallpox; D014616:Vaccinia virus; D012901:Variola virus
D007106:Immune Sera
CHICK EMBRYO; EXPERIMENTAL LAB STUDY; HEMAGGLUTINATION INHIBITION TESTS; IMMUNE SERUMS; RABBITS; SMALLPOX VIRUS; VACCINIA VIRUS