Flu 2024 Symptoms Lung. It is far worse than an ordinary cold, which usually causes a runny nose, sneezing, watery eyes and throat irritation. Influenza (the flu) is a very contagious infection caused by flu viruses.
Find out what the symptoms of flu are, when to get medical help for flu and how flu is treated. Doctors share what the most common flu symptoms are in 2024, what to do if you get the flu and how you lower your risk of getting it.