Table 2.
PCR and antibody test results of the patient
| Sample collection day | PCR | IFA | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ankA nPCR groEL nPCR |
ompA | 56-kDa nPCR |
SFTS C-PCR |
Orientia tsutsugamushi |
Rickettsia typhi |
Anaplasma phagocytophilum | Borrelia burgdorferi | |||||
| IgG | IgM | IgG | IgM | IgG | IgM | IgG | IgM | |||||
| 2017-05-30 | + | – | – | – | 1:2048 | < 1:16 | 1:64 | < 1:16 | < 1:80 | < 1:16 | < 1:16 | < 1:16 |
| 2017-06-02 | 1:1024 | < 1:16 | 1:64 | < 1:16 | ||||||||
| 2017-06-05 | – | – | 1:160 | 1:64 | 1:16 | < 1:16 | ||||||
| 2017-06-07 | 1:512 | < 1:16 | 1:64 | < 1:16 | ||||||||
| 2017-06-20 | – | – | 1:256 | < 1:16 | 1:512 | < 1:16 | 1:640 | 1:64 | 1:32 | < 1:16 | ||
| 2017-06-26 | – | – | 1:512 | < 1:16 | 1:512 | < 1:16 | 1:640 | 1:256 | 1:16 | < 1:16 | ||
| 2017-07-03 | 1:512 | 1:16 | 1:512 | < 1:16 | 1:640 | 1:64 |
1:16 WB+ |
1:16 WB+ |
||||
| 2017-07-20 | 1:512 | < 1:16 | 1:512 | < 1:16 | 1:640 | 1:512 |
1:32 WB+ |
1:16 WB+ |
||||
| 2017-08-04 | 1:512 | < 1:16 | 1:512 | < 1:16 | 1:640 | 1:256 |
1:16 WB+ |
1:16 WB+ |
||||
PCR polymerase chain reaction; IFA indirect immunofluorescence assay; nPCR nested PCR; SFTS severe fever with thrombocytopenia syndrome; C-PCR conventional PCR; WB western blot (Positive means more than 7 antigen bands were detected using the Microgen diagnostic kit)