Experimental infection of lone star ticks, Amblyomma americanum (L.), with Rickettsia parkeri and exposure of guinea pigs to the agent.

@article{Goddard2003ExperimentalIO,
  title={Experimental infection of lone star ticks, Amblyomma americanum (L.), with Rickettsia parkeri and exposure of guinea pigs to the agent.},
  author={J. Graham Goddard},
  journal={Journal of medical entomology},
  year={2003},
  volume={40 5},
  pages={
          686-9
        }
}
The maculatum agent, Rickettsia parkeri (a member of the spotted fever group rickettsiae), was inoculated into a colony of the lone star tick, Amblyomma americanum, and followed for two tick generations. In addition, guinea pigs were exposed to the agent by direct injection and by feeding infected ticks on them. Eighty (53%) of 150 nymphal A. americanum that were inoculated with suspensions of R. parkeri were positive by hemolymph test and fluorescent antibody test for rickettsial infection… CONTINUE READING
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