The barrier function of the skin and mucous membranes is provided by:
> secretion
of exosecretes of the sweat and sebaceous glands of the skin
> isolation
of specific inhibitors and lysozyme
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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