Table 2.
Summary of serologic test results, Mexico*
| Test | No. positive/no. tested |
|---|---|
| Extract ELISA | 106/652 |
| Recombinant ELISA | 110/654 |
| Indirect immunofluorescent test | 105/654 |
| Western blotting | 46/654 |
| Two tests | 110/654 |
| Three tests | 105/654 |
| Four tests | 44/654 |
ELISA = enzyme-linked immunosorbent assay.