Flu Season

Influenza Updates:

CDC on Flu Vaccine:

Flu Activity & Surveillance

Seasonal influenza activity in the United States remains low but is increasing.

What to Know for the 2019-2020 Influenza Season

woman getting vaccination

Information you need to know about the current 2019-2020 flu season.

Current Season Info For Health Care Providers

Man meeting with health care professional

Find current information on the 2018-19 flu season.​

In-Season Estimates

U.S. Flu Season Preliminary Flu Burden Estimates

In-season preliminary estimates for the 2019-2020 season will begin this winter. This web page provides weekly preliminary estimates of the cumulative in-season numbers of flu illnesses, medical visits and hospitalizations in the U.S.

FluSight Forecasting

flu forecasting

The Influenza Division at CDC has engaged with members of the scientific community on real-world influenza forecasting challenges known as FluSight.

Flu Vaccine Finder
Flu Finder
Find the flu shot near you.