Seasonal Flu Update
Seasonal Flu Information - How you can protect yourself, friends, and family
Week 20
(
May 17, 2026 –
May 23, 2026)
0.81% of Jefferson County, Alabama patient visits reported through ILINet were due to influenza-like illness (ILI).
The baseline for this influenza season is at 2.64% .
ILI is defined as a
Temperature ≥100 °F [37.8 °C] and a cough and/or a sore throat in the absence of a known cause other than influenza.
% of Patient Visits for ILI = Number of patient visits with ILI / Number of patient visits
Data received direct from Jefferson County sentinel providers and from hospital emergency department visits via Alabama Department of Public Health during the week of May 17, 2026. Graph was created on May 27, 2026.
Sentinel Site PCR Results
The pie chart below shows polymerase chain reaction (PCR) results from sentinel providers for specimen collected and submitted since September 28, 2025 Specimen is collected from individuals who meet the ILI case definition as described above.
Data received from ALNBS (Alabama NEDSS Based Surveillance System) via the Alabama Department of Public Health during the week of May 17, 2026. Graph was created on May 27, 2026.
