Which of the following properties concerning of the O-antigen of bacteria is correct ?
heat stable
part of the
cell wall
polysaccharide
portion of the LPS of the gram-negative bacteria
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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