Mechanism of the action of the exotoxins is specific. Which of the following exotoxins causes violent spastic paralysis by blocking the release of γ-aminobutyric acid (GABA)? GABA is a neurotransmitter that inhibits motor neurons?
Tetanus
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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