Respiratory Illnesses Data Channel

This site is updated on Fridays.

What to know

  • As of February 20, 2026, the amount of acute respiratory illness causing people to seek health care is moderate.
  • Seasonal influenza activity remains elevated nationally. Influenza A activity is decreasing while influenza B activity is increasing nationally and in most areas of the country; however, trends vary by region.
  • RSV activity is elevated in many areas of the country, including emergency department visits among infants and children 4 years and younger. Hospitalizations are highest among infants less than 1 year old.
  • COVID-19 activity is decreasing nationally but remains elevated in some areas of the country.
RI Alert Graphic Moderate

Your community snapshot

Weekly national summary

Season Outlook

CDC continues to expect that the 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. Read more: 2025-2026 Respiratory Disease Season Outlook - December Update | CDC

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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)