ili
| Variable | Question text | Label |
|---|---|---|
| ili001 | Over the last 30 days, have you experienced any of the following symptoms? Check all that apply. | experienced any symptoms |
| ili002 | Approximately when did your symptom(s) first begin? | when symptoms begin |
| ili003 | Over the last 30 days, have you tested positive for COVID-19? | tested positive for COVID-19 last 30 days |
| ili004 | Approximately when did you receive your diagnosis? | when covid diagnosis |
| ili005 | How severe was your COVID-19 illness? | how severe covid illness |

