Flu, RSV, and COVID-19 are all respiratory illnesses that can have varying degrees of severity, ranging from no symptoms to severe illness.

Symptoms such as fever, cough, fatigue, and runny or stuffy nose can be similar across all three viruses. You need specific testing to confirm if you are sick. You can test for COVID-19 and flu yourself, with an at-home rapid antigen test, or through a healthcare visit. RSV tests are only administered during a healthcare visit. Contact your healthcare provider if you have questions about testing and treatment, especially if you or your child are at high risk for complications from flu, RSV, or COVID-19.

Updated December 14, 2023