| Condition | Time Intervals | COVID 19 positive samples |
| Without UV (Control) | Overnight | Target Detected (Positive) |
| Exposure to UV | 10 sec | Target Detected (Positive) |
| 20 sec | Target Detected | |
| 30 sec | Target Detected | |
| 60 sec | Target Detected | |
| 40 minutes | Target Detected |