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Computer artwork of an H1N1 influenza A virus particle (virion).

Flu Season

About 2022-2023 Flu Season Vaccines

Influenza vaccines distributed during the 2022–2023 flu season appear to be well matched to currently circulating flu strains, as of December 2022.
Dec 21, 2022
sick boy with worried mom calling doctor about his fever

Flu Season

Get Ready for a Rough Season of Flu and Other Respiratory Viruses

Flu and other respiratory viruses are surging. Flu vaccines can help protect against flu and its complications, yet fewer are getting vaccinated than before.
Nov 15, 2022
Woman on bus coughing into the crook of her arm

Flu Burden

How Flu Creates a Burden on Society

Read about the impact of seasonal flu—and of vaccinations.

Sep 7, 2022
Woman on a bus

Flu Science

How Flu Spreads

About 5% to 20% of the U.S. population gets the flu every year. The CDC estimates that there have been 9 to 41 million flu illnesses a year between 2010 and 2020.

While getting vaccinated is the most effective way of avoiding the flu, understanding how the flu spreads is a big step towards prevention.

Sep 6, 2022
Scientist conducting medical research in a laboratory

Flu Basics

The History of Influenza

May 14, 2022
Older man with eyes closed, holding head with one hand

Flu Complications

Why Does Flu Affect Some People More Than Others?

Certain people may have higher risk factors for influenza complications.

Sep 5, 2022
Woman holding child at a sink, washing hands

Flu Prevention

How Can You Prevent the Flu?

Read a few helpful tips to prevent seasonal influenza.

Sep 2, 2022