_____________________ is the only organism in the Enterobacteriaceae family that is transmitted from animals to humans by the bite of an insect vector.

Yersinia pseudotuberculosis is known to manifest commonly as which of the following clinical conditions?

Which Enterobacter species usually produces a yellow pigment?

Of the following organisms, which would result in a TSI result of A/A with no H2S production?

An unheated suspension of Salmonella Typhi typically produces agglutination of Vi antisera.  Heating the same suspension is necessary to determine which other antigen?

Which of the following set of tests best differentiate Shigella from E. coli?

Which of the following organisms found in normal fecal flora may be mistaken biochemically for the genus Yersinia?

Which of the following organisms displays a negative oxidase test?

Direct spread of pneumonic plague disease occurs by which route?

Describe the principle of the MR/VP test.