Which of the following properties are characterized of Staphylococcus epidermidis?
Coagulase-negative
predilection
for growth on foreign medical implants ( bone ,catheters. valves and others)
skin normal
flora
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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