Table 3.
Sample schedule for long-duration spaceflight
| Number of samples | |||||||
|---|---|---|---|---|---|---|---|
| Before flight | During flight | After flight | |||||
| 180 days | 45 days | Early mission (14 days) | Mid mission (2–4 months) | Late mission (5–6 months) | Landing day | 30 days after | |
| Saliva Liquid* | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Diurnal saliva | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Urine | 1 | 1 | 0 | 1 | 0 | 1 | 1 |
| Blood | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
* About 2 mL saliva was collected every other day around sampling period, e.g., 180 days; diurnal saliva samples collected 5 times a day on filter paper a 10 mL EDTA blood and a 24 h urine pool were collected around the above identified time points