The lack of identity between hemagglutinin and the toxin of type A botulinal organism.
D000373:Agglutinins; D000992:Antitoxins; D001905:Botulinum Toxins; D003014:Clostridium botulinum; D006388:Hemagglutinins; D006801:Humans; D014118:Toxins, Biological
D000373:Agglutinins; D000992:Antitoxins; D006388:Hemagglutinins; D014118:Toxins, Biological; D001905:Botulinum Toxins
AGGLUTININS; CLOSTRIDIUM BOTULINUM; TOXIN AND ANTITOXIN