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Volume 24, Number 3—March 2018

Severe Pneumonia Caused by Toxigenic Corynebacterium ulcerans Infection, Japan

Ikkoh Yasuda, Hisayo Matsuyama, Tomoko Ishifuji, Yoshiro Yamashita, Masahiro Takaki, Konosuke Morimoto, Motohiro Sekino, Katsunori Yanagihara, Tatsuya Fujii, Masaaki Iwaki, Akihiko Yamamoto, Koya Ariyoshi, and Takeshi TanakaComments to Author 
Author affiliations: Nagasaki University Hospital, Nagasaki, Japan (I. Yasuda, Y. Yamashita, M. Takaki, K. Morimoto, M. Sekino, K. Yanagihara, K. Ariyoshi, T. Tanaka); Kawakita General Hospital, Suginami, Tokyo, Japan (H. Matsuyama, T. Ishifuji, T. Fujii); National Institute of Infectious Diseases, Shinjuku, Tokyo (M. Iwaki, A. Yamamoto)

Main Article

Table 2

Characteristics of Corynebacterium ulcerans isolates identified from swabs of 2 case-patients with severe pneumonia and their environments, Japan*

Sample Culture rpoB gene tox gene Vero cell cytotoxicity
Case-patient 1
  Patient sputum Positive C. ulcerans + +
  Husband throat swab Negative
  Cat throat swab Negative
  Swab from cat’s feeding tray Positive C. ulcerans + Not tested
  Swab from cat’s blanket Positive C. ulcerans + Not tested
  Swab from telephone receiver
C. ulcerans
Not tested
Case-patient 2
  Patient sputum Positive C. ulcerans + +
  Cat 1 throat swab Positive C. ulcerans + +
  Cat 2 throat swab Positive C. ulcerans + +
  Cat 3 throat swab Negative

*Detectable by PCR (tox gene) or Vero cell cytotoxicity assay. +, positive.

Main Article

Page created: February 16, 2018
Page updated: February 16, 2018
Page reviewed: February 16, 2018
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