What is seasonal flu?

Seasonal flu is a contagious respiratory illness caused by flu viruses. It spreads between people and can cause mild to severe illness. In some cases, the flu can lead to death. In the United States, flu season occurs in the fall and winter. Seasonal flu activity usually peaks in January or February, but it can occur as early as October and as late as May.

Show All Answers

1. What is seasonal flu?
2. How can I protect myself and my family from the flu?
3. Who should get vaccinated this season?
4. How effective is the flu shot?
5. What are the risks from getting a flu shot?
6. What are the side effects that could occur?
7. Can the flu shot give me the flu?
8. Why do some people not feel well after getting the flu shot?
9. What about people who get a seasonal flu vaccine and still get sick with flu-like symptoms?