BSCI 424 — PATHOGENIC MICROBIOLOGY — Fall 2000

Pasteurella Summary

Pasteurella multocida:

  Common flora of upper respiratory tract of many domestic animals (cats, dogs, etc.). Transmitted by animal bites or scratches

  Serotypes A, B, D, E based on capsular polysaccharide antigens and many serovars based on somatic (O) antigen types

  Clinical infection occurs either as:

1. Cellulitis and lymhadenitis with pain and swelling from bites or scratches
   
2. Septicemia with systemic infection in immunocompromised patients
   
3. Further pulmonary complications in patients with chronic respiratory disease

  Facultative anaerobe, therefore infects sutured bites or scratches

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