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Percentage recent infection in US repeat blood donors grouped by interdonation interval (time since last donation) in days and months from HIV NAT concordant positive donations during the period 2010 – 2018.
| Interdonation Interval (days) |
Interdonation Interval (~months) |
Total n=384 |
Recent n (%) |
|---|---|---|---|
| 0 to 120 | up to 4 | 34 | 30 (88.2) |
| 121 to 210 | 4 to 7 | 47 | 32 (68.1) |
| 211 to 300 | 7 to 10 | 28 | 16 (57.1) |
| 301 to 390 | 10 to 13 | 41 | 16 (39.0) |
| 391 to 480 | 13 to 16 | 16 | 7 (43.8) |
| ≥481 | >16 | 218 | 48 (22.0) |
