Flu 2024 Symptoms. A healthcare professional can provide an. Dehydration, wheezing, severe head and muscle aches and high fevers that are staying high, above 104, are the main symptoms driving people to the hospital, desai said.
Flu symptoms usually start with a runny nose, sneezing and sore throat, like a cold. Flu can cause mild to severe illness, and at times can lead to death.