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Volume 24, Number 11—November 2018
Dispatch

Rickettsia japonica Infections in Humans, Zhejiang Province, China, 2015

Qunying LuComments to Author , Jianping Yu, Liqun Yu, Yanjun Zhang, Yitao Chen, Meiai Lin, and Xiaofei Fang
Author affiliations: Zhejiang Province Center for Disease Control and Prevention, Hangzhou, China (Q. Lu, Y. Zhang, X. Fang); Linan First People’s Hospital, Linan, China (J. Yu, L. Yu); Zhejiang Chinese Medical University, Hangzhou (Y. Chen, M. Lin)

Main Article

Table

Clinical data of febrile patients with Japanese spotted fever diagnoses, Linan, China, 2015*

Patient no. Age, y/sex Tick bite Rash Eschar Lymphadenopathy Days after onset
 PCR,† AP IFA titer‡
 Isolation
AP CP AP CP
1 53/M Not known Yes No No 6 42 – <64 4,096 –
2 62/M Not known Yes Yes No 5 58 + <64 2,048 –
3 52/M Yes Yes Yes Yes 5 74 + 64 4,096 –
4 79/F Not known Yes No No 4 60 + 128 9,192 +
5 67/F No Yes No No 6 75 + 512 4,096 –
6 62/F Yes Yes Yes No 7 70 – <64 1,024 –
7 53/F Yes No Yes No 7 57 – 64 1,024 –
8 63/F Yes Yes Yes Yes 10 67 – <64 4,096 –
9 57/M Yes Yes Yes No 2 45 + 64 9,192 –
10 51/F Yes Yes Yes Yes 6 § + 64 § –
11 53/M Yes Yes Yes No 3 § + <64 § –
12 45/F Yes Yes Yes Yes 5 70 + <64 4,096 –
13 33/F Yes Yes Yes Yes 6 42 – 64 2,048 –
14 30/F Not known Yes No No 4 46 – 128 2,048 –
15 36/F Not known Yes No No 5 54 – <64 2,048 –
16 67/F Yes Yes Yes Yes 0 60 + <64 9,192 +

*AP, acute phase; CP, convalescent phase; IFA, indirect immunofluorescence assay; +, positive test result; –, negative test result.
†PCR amplifying 217-bp sequence of Rickettsia japonica groEL gene.
‡Detection of IgG against spotted fever group rickettsiae.
§Convalescent-phase serum samples not obtained.

Main Article

Page created: October 16, 2018
Page updated: October 16, 2018
Page reviewed: October 16, 2018
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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