Volume 24, Number 11—November 2018
Dispatch
Rickettsia japonica Infections in Humans, Zhejiang Province, China, 2015
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.