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Respiratory Illnesses Data Channel

This site is updated on Fridays.

What to know

  • As of March 7, 2025, the amount of acute respiratory illness causing people to seek healthcare is at a moderate level.
  • Seasonal influenza activity remains elevated nationally but has decreased for three consecutive weeks.
  • COVID-19 activity is declining nationally but elevated in some areas of the country.
  • RSV activity is declining in most areas of the country.
Respiratory illness causing people to seek healthcare is moderate.

Your community snapshot

Weekly national summary

Season Outlook

The CDC has determined that the highest hospital demand for COVID-19, flu, and RSV to date this season occurred during the week ending February 1, 2025, and it was lower than the peak demand from last season. However, influenza activity remains high in most areas.

The peak hospital demand due to COVID-19 during this fall and winter respiratory season was lower than all previous seasons, and nearly 50% lower than the peak demand last season.

CDC does not anticipate producing additional respiratory disease outlook updates during the remainder of the 2024-2025 season. Read the entire 2024-2025 Respiratory Season Outlook - February Update (2/19/2025).

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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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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.

Weekly trends in overall hospital bed occupancy and reporting status.

Stay up to date with the NCIRD bulletin

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