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| ELISA result | HAI result |
Not tested | Total | |
|---|---|---|---|---|
| Positive | Negative† | |||
| Positive | 38 | 14 | 1 | 53 |
| Negative‡ | 31 | 1,219 | 6 | 1,255 |
| Total | 69 | 1,233 | 7 | 1,309 |
*HAI, hemagglutination inhibition. †HAI negative, borderline, unknown. ‡ELISA negative/borderline.
