Is there a test for the flu? Flu tests require a respiratory sample, such as a nasal swab, to check for the presence of the flu virus. Webin fact, the cdc recommends that everyone 6 months and older receive a flu vaccine annually as soon as the season starts to get optimal protection from the flu. If you do get. Webyour healthcare team may diagnose you based on your symptoms. In some cases, your healthcare professional may suggest that you be tested for influenza. Webwhat does a test look for? A doctor can usually tell if you have the flu based on your symptoms, especially if it’s during peak season.
