ARI Question
What Does High Respiratory Activity Mean?
It means overall respiratory illness is elevated in a place, but it does not tell you which disease is responsible. That is why the next step is to open the state overview and then flu, RSV, or COVID-19 as needed.
15-second answer
- The CDC ARI signal is currently dominated nationally by very low activity, with 50 jurisdictions labeled low or very low and 0 jurisdictions labeled moderate in the latest week.
- High respiratory activity is a bundle signal. It can reflect flu, RSV, COVID-19, or a mix rather than one disease by itself.
- The label is most useful as a cue to check the state overview first, then open the specific disease page that matches the concern.
Why this matters 1
A lot of users do not know what a respiratory activity label actually means. This page turns a jargon-heavy signal into a practical next-click workflow.
Why this matters 2
This question also strengthens the statewide overview layer, where ARI is currently one of the best simple first-answer signals we have.
Best Next Clicks
What to open next
Browse state overview pages
See where overall respiratory activity is elevated and then drill down.
Open an example state page
See how the respiratory activity label works inside a full statewide page.
Open the flu tracker
Best next click if the respiratory signal is probably flu-driven.
Open the RSV dashboard
Best next click if the question is about RSV specifically.
Source and context
How this answer is built
Updated
Week ending Oct 10
Coverage
51 reporting jurisdictions
Best For
Plain-English interpretation of the ARI label
The ARI signal is useful because it is simple, broad, and current. It becomes much more useful when it routes users into the disease-specific pages that answer the next question.
FAQ
Quick questions about this answer
Does high respiratory activity mean flu is high?
Not always. It can be flu, RSV, COVID-19, or a mix. That is why ARI is a first-answer layer, not the final answer.
Why is this useful if it is not disease-specific?
Because it gives a quick answer to whether respiratory illness is broadly elevated before you spend time on disease-specific pages.
This week
The sendable weekly version
What's Going Around This Week? U.S. Health Briefing
Flu-like illness: moderate; COVID-19 hospital admissions: moderate; RSV hospital admissions: low. See the source weeks and find your state or city report.
Flu-like illness
2.1% · moderate
COVID-19
1.1 per 100K · moderate
RSV
0.2 per 100K · low
Related Questions
Keep going without getting lost
ARI Question
What Does Low Respiratory Activity Actually Mean?
A practical explanation of the low ARI label, built to keep state overview pages from making low overall activity sound like an all-clear.
Question Bank
What's Going Around Right Now?
The fastest national plain-English answer, then the best next clicks for state, city, flu, measles, and travel questions.
COVID Question
Is COVID Still Going Around Right Now?
A direct national COVID answer, plus the fastest route into state pages, travel checks, and the broader respiratory picture.