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Francisella tularens
Stack #37207
| Question | Answer |
|---|---|
| definition of francisella tularensis | small gram neg rods affecting small mammals and rabbits, associated with water |
| what are the 2 biovars of F tularensis | A and B, A affects rabbits and B affects muskrats/beavers |
| what is the habitat of F tularensis | saprophytic parasite |
| describe the host range of F tularensis | wide host range |
| how is F tularensis transmitted | insect bites, inhalation, ingestion |
| what is the main route of transmission of F tularensis | mainly biting insects |
| describe the role of the tick in transmission of F tularensis | transovarial therefore adults and nymphs can transmit to cats and dogs |
| which species of ticks transmit F tularensis | Dermacentor and Amblyomma |
| what is the pathogenicity of F tularensis in wild rabbits | focal granulomata of liver, spleen, and LN |
| what is the pathogenicity of F tularensis in sheep | infects them with up to 15% mortality |