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Classification of Ebola antibodies in the competition assay into competition groups based on their percent binding levels.
| Competition group | Binding percentage | Classification |
|---|---|---|
| Group 1 (black) | < 50% | Competing |
| Group 2 (dark gray) | 50–75% | Intermediate competition |
| Group 3 (white) | 75–110% | Non-competitive |
| Group 4 (light gray) | > 110% | Enhancing |
