Mechanism of the action of the exotoxins is specific. Which of the following exotoxins causes paralysis by blocking release of acetylcholine?
Botulinum
toxin
Vibrio genus involves many species, only some serotypes of V.cholerae are pathogens of cholera. Which of the following causative agents of cholera?
V.cholerae serogroups non O1 and non O139
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