Flu Symptoms 2024 How Long Does It Last

Flu Symptoms 2024 How Long Does It Last. How long is it contagious? Current seasonal flu activity in the united states, information for health providers, in season estimates, and flusight forecasting.

Flu symptoms usually appear two to three days after contact with the virus, according to the university of pennsylvania health system, but you may start to feel sick. Dumford advises getting tested when you feel ill, as that’s the only way to differentiate between respiratory illnesses.