Respiratory Illnesses Data Channel

This site is updated on Fridays.

What to know

  • As of September 12, 2025, the amount of acute respiratory illness causing people to seek health care is at a very low level.
  • COVID-19 activity is peaking in many areas of the country with elevated emergency department visits and hospitalizations nationally.
  • Seasonal influenza activity is low, and RSV activity is very low.
RI Alert Graphic Very Low

Your community snapshot

Weekly national summary

Season Outlook

CDC expects the upcoming fall and winter respiratory disease season in the United States will likely have a similar number of combined peak hospitalizations due to COVID-19, influenza, and RSV compared to last season. CDC will update this outlook every two months throughout the season and as warranted by changes in the trajectories of any of the three diseases. Read more: 2025-2026 Respiratory Disease Season Outlook

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Updated CDC Guidance

Continue exploring these data

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Respiratory Virus Activity Levels
Updates on how COVID-19, Flu, and RSV may be spreading nationally and in your state
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Severe Viral Respiratory Illness
Data on how respiratory viruses are contributing to serious health outcomes
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People Most Impacted by Respiratory Viruses
How people of different ages, race and ethnicity, and sex are affected by COVID-19, flu, and RSV.
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Other Respiratory Illnesses Going Around
This page details respiratory illnesses from viruses and bacteria other than COVID-19, flu, and RSV
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Vaccination Trends
Vaccination uptake & intent for COVID, flu, and RSV

Explore related data

Anticipated trends for COVID-19 infections, based on modeling, are displayed at the national and state levels.

Wastewater (sewage) data specific to SARS-CoV-2, the virus that causes COVID-19, are displayed at the national, regional, and state levels. These data can provide an early signal of changes in infection levels.

COVID-19 variants and genomic surveillance data are displayed for the nation.

Weekly trends in overall hospital bed occupancy and reporting status.

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Content Source:
National Center for Immunization and Respiratory Diseases (NCIRD)