Influenza Hospitalizations
Data are current as of 5/3/2025
Most recent dashboard update: 5/8/2025
Key Hospitalization Indicators
Flu Hospitalizations
Total Flu Hospitalizations
Hospitalization Trends
Percentage of visits for influenza-like illness (ILI) reported by sentinel providers
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Percentage of Emergency Department Visits for Influenza-Like Illness (ILI) and COVID-19-Like Illness (CLI) by Week (Fall and Winter Virus Season 2023-2024)
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Note: Delaware‘s regional baseline for healthcare visits relating to ILI symptoms in the 2023-2024 Influenza Season is 2.4% and the national baseline is 2.9%.
Data source: Delaware syndromic surveillance data from emergency department and freestanding emergency centers.
Recent changes in health care seeking behavior, including increasing use of telemedicine, recommendations to limit emergency department (ED) visits to severe illnesses, and increased practice of social distancing, are likely affecting data reported.
Data is updated daily as a result of changes made by hospitals to patient charts. Most changes of this nature occur within 30 days.
Flu Hospitalizations by Year for Delaware
2022 - 2023Influenza Season
Type | Week 18 4/28/2024 - 5/4/2024 | Year to Date (YTD)2 | % Confirmed Cases | YTD % Confirmed Cases3 |
|---|---|---|---|---|
Hospitalization | 11 | 72 | 0.0% | 8.0% |
Deaths |
2021 - 2022Influenza Season
Type | Week 18 4/30/2023 - 5/6/2023 | Year to Date (YTD)2 | % Confirmed Cases | YTD % Confirmed Cases3 |
|---|---|---|---|---|
Hospitalization | 179 | 143 | 0.0% | 0.8% |
Deaths |
2020 - 2021Influenza Season
Type | Week 18 5/1/2022 - 5/7/2022 | Year to Date (YTD)2 | % Confirmed Cases | YTD % Confirmed Cases3 |
|---|---|---|---|---|
Hospitalization | 24 | 1 | 0.0% | 1.0% |
Deaths |
1. There may be technical discrepancies of reporting numbers week to week due to retroactive reporting or reclassification of cases.
2. YTD stands for “Year to Date” and represents the cumulative number of cases through the current MMWR Week being assessed for the current flu season.
3. Percentage of cases for the cumulative count of confirmed cases through the influenza season to the current MMWR Week.
Sections in Influenza Dashboard