| FLCadence | | once a week or every other week |
| FLDay | | day |
| cr001_order | | order of cr001 series |
| cr001a | Fever or chills | experienced Fever or chills |
| cr001b | Runny or stuffy nose | experienced Runny or stuffy nose |
| cr001c | Chest congestion | experienced Chest congestion |
| cr001d | Cough | experienced cough |
| cr001e | Sore throat | experienced Sore throat |
| cr001f | Sneezing | experienced Sneezing |
| cr001g | Muscle or body aches | experienced Muscle or body aches |
| cr001h | Headaches | experienced Headaches |
| cr001i | Fatigue or tiredness | experienced Fatigue or tiredness |
| cr001j | Shortness of breath | experienced Shortness of breath |
| cr001k | Abdominal discomfort | experienced Abdominal discomfort |
| cr001l | Vomiting | experienced Vomiting |
| cr001m | Hair Loss | experienced Hair Loss |
| cr001n | Dry skin | experienced Dry skin |
| cr001o | Body temperature higher than 100.4 F or 38.0 C | experienced Body temperature higher than 100.4 F or 38.0 C |
| cr001p | Diarrhea | experienced Diarrhea |
| cr001q | Lost sense of smell | experienced Lost sense of smell |
| cr001r | Skin rash | experienced Skin Rash |
| cr002 | Have you been tested for coronavirus^FLTimeReferenceCR002? If so, what was the result? | tested for the coronavirus |
| cr005 | Whether or not you have had a coronavirus test, has a doctor or another healthcare professional diagnosed you as having or probably having the coronavirus^FLTimeReference? | diagnosed with the coronavirus |
| cr007 | Do you think you have been infected with the coronavirus^FLTimeReference? | think infected with coronavirus |
| cr011 | Have you contacted anyone^FL_cr011 to inform them you have coronavirus^FLTimeReference? | contacted a doctor, employer, family |