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Decontamination conditions used in each study.
| Decontamination condition | Study 1 | Study 2 |
|---|---|---|
| No decontamination (control) | Yes | Yes |
| Improvised dry (dry) | Yes | No |
| Improvised wet (wet) | Yes | No |
| Dry + interim | Yes | Yes |
| Wet + interim | Yes | No |
| Dry + interim + specialist mass (SOR) | No | Yes |
