Flu Resource Center

Influenza: How to prevent and treat a serious infection

This fall is different than any other before it. Back-to-school is different, professional and college sports are different, and many of the seasonal rituals are upended thanks to COVID-19. But what isn't different is the return of influenza or the flu. The flu is more than a bad cold. Although many people who get the flu recover with rest and fluids, thousands of Americans die from this illness each year, and millions are sick enough to miss work or school. Influenza is serious — but it can be prevented and treated.

Read more »

Special features

Flu Vaccine Fact Sheet

Flu Vaccine Fact Sheet

Give Yourself a Fighting Chance Against the Flu: Getting the flu shot helps protect you and your family from the flu. That's especially important now during the COVID-19 pandemic.

View Fact Sheet in English »

View Fact Sheet in Spanish »

Thumbnail of Vaccine Finder map

HealthMap Flu Vaccine Finder

HealthMap Vaccine Finder is a free service that allows users to search for flu vaccines based on their location. Powered by Harvard Medical School and Boston Children's Hospital.

Go to HealthMap »

Learn more about the flu virus and how to protect yourself

As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.