About the Flu
Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. Some people are at higher risk for severe illness and complications. Learn more About Flu (CDC), how flu spreads (CDC), and how it is different from COVID-19 (CDC) and the common cold (CDC).
Surveillance
Marin County public health tracks influenza activity each season.
Protect Yourself From Flu
- Get a flu vaccination every year
- Stop the spread of germs everyday, by washing your hands, cleaning and disinfecting surfaces and more prevention activities
- If you get sick, ask your health care provider if antiviral medication is right for you. Flu Treatment | CDC
