Regarding Borrelia burgdorferi and Lyme disease, which one of the following is most accurate?

A. Borrelia burgdorferi infects a larger percentage of the rodent reservoir in western states, such as California, than in northeastern states, such as New York
B. Pathogenesis of Lyme disease is based on the production of an exotoxin that induces interleukin-2 production by T-helper cells
C. The vaccine against Lyme disease contains the capsular polysaccharide of all four serotypes as the immunogen
D. Close family members of those infected with B. burgdorferi should be given ciproflaxacin
E. Borrelia burgdorferi is transmitted to human by the bit of ticks of the genus Ixodes


Ans: E. Borrelia burgdorferi is transmitted to human by the bit of ticks of the genus Ixodes

Biology & Microbiology

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