| Symptoms | Covid-19 | Flu | RSV |
| Sore throat | x | x | |
| Decrease in appetite | x | ||
| Coughing | x | x | x |
| Sneezing/Runny nose | x | x | x |
| Fever and/or chills | x | x | x |
| Wheezing - Shortness of breath or difficulty breathing | x | x | |
| Headaches | x | x | |
| Muscle or body aches | x | x | |
| New loss of taste or smell | x | ||
| Nausea or vomiting | x | ||
| Diarrhea | x | x | |
| Fatigue | x | x |