Indicator Gauge Icon Legend
Legend Colors
Red is bad, green is good, blue is not statistically different/neutral.
Compared to Distribution
the value is in the best half of communities.
the value is in the 2nd worst quarter of communities.
the value is in the worst quarter of communities.
Compared to Target
meets target; 
does not meet target.
Compared to a Single Value
lower than the comparison value;
higher than the comparison value;
not statistically different from comparison value.
Trend
non-significant change over time; 
significant change over time; 
no change over time.
Compared to Prior Value
higher than the previous measurement period;
lower than the previous measurement period;
no statistically different change from previous measurement period.
Significantly better than the overall value
Significantly worse than the overall value
No significant difference with the overall value
No data on significance available
Influenza-Like Illness (ILI) Trends
This indicator is archived and is no longer being updated. Click to learn more
Influenza-like illness (ILI) percentage calculated from weekly reports by Washoe County sentinel providers.
Note that the case definition of influenza-like illness (ILI) was changed with the 2021-22 flu season to a fever (≥ 100°F [37.8°C]) and cough and/or sore throat. Previously it was defined as a fever > 100° F and a cough and/or sore throat, in the absence of a known cause other than influenza.
Why is this important?
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Influenza (flu) is a highly contagious respiratory infection that can cause severe illness and life-threatening complications particularly in older people, young children, pregnant women, and people with certain health conditions. Symptoms range from mild to severe, and in some cases may result in hospitalization or death. It can lead to pneumonia and can be dangerous for people with heart or breathing conditions. Obtaining a seasonal flu shot is recommended for all persons 6 months and older, with focus on persons considered to be high-risk, and persons who work with vulnerable high-risk population.
Measurement period: 2021-2022
Maintained by: Truckee Meadows Tomorrow
Last update: December 2023
Graph Selections
Data Source
- Northern Nevada Public Health, Influenza Surveillance
Note: This source uses Zip Code Tabulation Areas (ZCTAs) for its Zip Code data. Learn more
Maintained By: Truckee Meadows Tomorrow
Filed under: Health / Immunizations & Infectious Diseases