RESPONSE OF VOLUNTEERS TO INOCULATION WITH HEMAGGLUTININ-POSITIVE AND HEMAGGLUTININ-NEGATIVE VARIANTS OF COXSACKIE A21 VIRUS.
D000906:Antibodies; D000941:Antigens; D003384:Coxsackievirus Infections; D004770:Enterovirus; D005823:Genetics; D006384:Hemagglutination; D006385:Hemagglutination Inhibition Tests; D006388:Hemagglutinins; D006801:Humans; D012141:Respiratory Tract Infections; D014838:Volunteers
D000906:Antibodies; D000941:Antigens; D006388:Hemagglutinins
ANTIBODIES; ANTIGENS; COXSACKIE VIRUS INFECTIONS; COXSACKIE VIRUSES; GENETICS; HEMAGGLUTINATION; HEMAGGLUTINATION INHIBITION TESTS; RESPIRATORY TRACT INFECTIONS