A Case of Tularemia Caused by Francisella Tularensis.

  • MY K
  • GY H
  • WS A
 et al. 
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Abstract

Tularemia is a major laboratory acquired zoonoses caused by Francisella tularensis that have high virulence, and usually transmitted to humans from direct contact with infected wild animals like rabbits or insect vectors like ticks. Clinical tularemia can be divided with 6 major syndromes that are delineated by the mode of organism aquisition, in which ulceroglandular type is the most common. F. tularensis have 3 different biogroups which have homogeneous antigenecity, type A (biogroup tularensis), type B (biogroup palearctica) and biogroup novicida, and can be confirmed by serology most frequently. In the domestic area, there was no reports of tularemia in humans or presence of bacteria in the reservoirs. Authers experienced a case of tularemia which is suspected as F. tularensis type B, ulceroglandular type. A healthy 40-year-old man admitted the hospital for lymph node swelling in both axillary and upper arm area and for furuncles in both forearm anti palm. He contacted with dead rabbit and eaten it after cooking before 20 days from admission day. In laboratory cultures, F. tularensis did not grow in any of the routine or anaerobic culture media except for one blood agar plate at 5 days. After subculturing that to cystine containing chocolate agar plate at 37 。C, 5% CO2 incubator, we could see the accelerating growth of colony. In microbiological test, it was oxidase and crease negative. In acid production in cystine trypticase agar base, it was glucose positive and sucrose, maltose, glycerol negative. In agglutinating test, F. tularensis antiserum titer (Difco, USA) with isolates was 1:160 or over anti antibody titer to F. tularensis antigen (Difco, USA) was 1:320 or over Anti-F. tularensis-IF assay anti Anti-F. tularensis-indirect-EIA with isolates were positive,

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Authors

  • Kim MY

  • Ha GY

  • Ahn WS

  • Lim HS

  • Kim DH

  • Chong YS

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