TABLE 2.
Results of IFA test, ELISA, and Western blotting assay
| Subtype | Test | Assay resulta
|
|||
|---|---|---|---|---|---|
| Chronio- and convalescent-phase sera (4 samples) | Acute-phase sera (9 samples) | Negative
|
|||
| 149 pairs of sera | 26 samples | ||||
| IgM | IFA | − | + | − | − |
| ELISA | − | + | − | − | |
| WBA | − | + | − | − | |
| IgG | IFA | + | + | − | − |
| ELISA | + | + | − | − | |
| WBA | + | + | − | − | |
a
+, positive; −, negative. Equivocal results were obtained for three samples from confirmed Q fever cases and six samples (one paired and four single sera) from Japanese pneumonia patients. See Table 3 for details regarding equivocal results.