BSCI 424 — PATHOGENIC MICROBIOLOGY — Fall 2000

Francisella Summary

Francisella tularensis

  Extremely small, gram-negative coccobacilli

  Jellison Type A strains are the major biovar associated with disease in the United States

  Transmission by:

1. Ticks from rabbits
2. Direct contact with rabbits

  Appears clinically in one of several forms:

1. Ulceroglandular
2. Glandular
3. Typhoidal
4. Oculoglandular
5. Oropharyngeal

  Facultative intracellular parasite that can survive in macrophages of the reticuloendothelial system

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