| Enrollment | Day 7 | Day 14 | Day 21 | Day 28 | Day 35 | |
|---|---|---|---|---|---|---|
| Specimens | ||||||
| Dried blood spot (with optional blood draw) | X | X | ||||
| Stool | X | X | X | X | X | X |
| Nasal swab | X | X | X | X | X | X |
| Data | ||||||
| Demographics | X | |||||
| Comorbidities | X | |||||
| Previous COVID-19 history | X | |||||
| Vaccination status | X | |||||
| COVID-19 treatments | X | X | X | X | X | X |
| COVID-19 onset date | X | |||||
| COVID-19 symptoms | X | X | X | X | X | X |
| COVID-19 severity | X | X | X | X | X | X |
| Bowel patterns | X | X | X | X | X | X |