| Value | Category |
|---|---|
| -99 | Do not know |
| -98 | Refuse to answer |
| -77 | Other |
| 1 | Fever |
| 2 | Persistant cough |
| 3 | Always feeling tired |
| 4 | Muscle Pain |
| 5 | Headache |
| 6 | Diarrhea/Nausea/Vomiting |
| 7 | Difficulty breathing |
| 8 | Runny nose |
| 9 | Sore throat |
| 10 | Pneumonia |
| 11 | Lose of sense of smell |
| 12 | None of the above |