South Dakota Flu Activity This Week
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South Dakota does not report flu surveillance data to the CDC's ILINet network. This page explains why, shows nearby states that do report, and links to the national flu trend.
Flu data not reported for South Dakota
South Dakota does not submit weekly flu surveillance data to the CDC's ILINet (Influenza-like Illness Surveillance Network). ILINet participation is voluntary, and some states choose not to report this data at the state level. As a result, we cannot show current flu levels for South Dakota.
What this does NOT mean:
This does not mean South Dakota has zero flu cases or is free of flu activity — it means the state does not share this particular data with the CDC's outpatient surveillance network.
Nearby States
Sources & Methods
ILI (influenza-like illness) is defined as fever plus cough or sore throat. Data reflects the percentage of outpatient visits for ILI reported through the CDC's ILINet surveillance network. Activity levels are computed from ILI percentage thresholds. Learn more about our methods .
More Health Data for South Dakota
Cities in South Dakota
Flu data available for these South Dakota cities:
Frequently Asked Questions
Does South Dakota report flu data to the CDC?
South Dakota does not currently report flu surveillance data to the CDC's ILINet (Influenza-like Illness Surveillance Network). ILINet participation is voluntary for states, and not all states submit data. This means we cannot show current flu levels for South Dakota from this source.
Where can I find flu information for South Dakota?
For flu activity in South Dakota, check the South Dakota state health department website. You can also view national flu trends on our flu hub page, or check nearby states that do participate in CDC ILINet reporting.
Where does this flu data come from?
Flu data on Local Health Signal comes from the CDC's ILINet (Influenza-like Illness Surveillance Network), accessed via the Delphi Epidata API. Participation in ILINet is voluntary, and some states — including South Dakota — do not submit data to this surveillance network.
Local Health Signal is not affiliated with the CDC or any government agency. Data is provided for informational purposes only and is not intended for clinical decision making. See our methods page for details on data sources and limitations.