Current Flu Symptoms 2024 Chart. Flu is most common in. Learn more about the weekly influenza surveillance report (fluview) prepared by the influenza division.

Influenza (also known as “flu”) is a contagious respiratory illness caused by influenza viruses. 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,.