2024 Flu Symptoms And Duration. On september 20, 2024, the food and drug administration (fda) approved the nasal spray flu vaccine, flumist, for self or caregiver administration. Flumist is sprayed into the nose and is approved for the prevention of.
Flu symptoms typically last about one week, but may linger for some people. If you have flu symptoms, or have been diagnosed with influenza, it is important to stay home and avoid contact with others until your symptoms have gone.