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Volume 16, Number 8—August 2010

Dispatch

Human Rickettsia heilongjiangensis Infection, Japan

Shuji Ando1Comments to Author , Masahiro Kurosawa1, Akiko Sakata, Hiromi Fujita, Katsurou Sakai, Masao Sekine, Masanori Katsumi, Wakana Saitou, Yasuhiro Yano, Nobuhiro Takada, Ai Takano, Hiroki Kawabata, Nozomu Hanaoka, Haruo Watanabe, Ichiro Kurane, and Toshio Kishimoto
Author affiliations: National Institute of Infectious Diseases, Tokyo, Japan (S. Ando, A. Sakata, A. Takano, H. Kawabata, N. Hanaoka, H. Watanabe, I. Kurane, T. Kishimoto); Sendai Medical Center, Sendai, Japan (M. Kurosawa, W. Saitou); Ohara General Hospital, Fukushima, Japan (H. Fujita); Sendai City Institute of Public Health, Sendai (K. Sakai, M. Sekine, M. Katsumi); Fukui University, Fukui, Japan (Y. Yano, N. Takada); Gifu University, Gifu, Japan (A. Takano, H. Kawabata, H. Watanabe); 1These authors contributed equally to this article.

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Table

Antibody titers to spotted fever group rickettsiae in patient’s serum samples, Sendai, Japan, 2008*

Days after symptom onset Antibody titers (IgG/IgM)
Rickettsia japonica R. heilongiangensis Orientia tsutsugamushi
6 <10/<10 <10/<10 <10/<10
16 40/160 160/320 <10/<10
23 320/640 320/640 <10/<10

*Ig, immunoglobulin.

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