2024 Flu Symptoms And Duration Of Therapy. Symptoms of the flu such as a sore throat and a runny or stuffy nose are common. Influenza can be transmitted before the patient is symptomatic and until 5 to 7 days after infection.

In most cases, patients improve within a few days; On september 20, 2024, the food and drug administration (fda) approved the nasal spray flu vaccine, flumist, for self or caregiver administration.