- Flu activity is high in the U.S. and expected to continue for weeks.
- 172.2 million doses of flu vaccine have been distributed.
CDC on Flu Vaccine:
Seasonal influenza activity in the United States has been elevated for 10 weeks.
This web page provides weekly preliminary estimates of the cumulative in-season numbers of flu illnesses, medical visits and hospitalizations in the U.S. for the 2019-2020 season.
The Influenza Division at CDC has engaged with members of the scientific community on real-world influenza forecasting challenges known as FluSight.