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Philadelphia Seasonal Influenza Activity (last updated 3/22/21)
*Different surveillance systems are maintained for influenza. Only a subset of laboratories report positive influenza results.
**Reports not limited to facilities who participate in laboratory testing.
Current Recommendations
Latest Updates: Influenza activity is currently characterized as LOW in Pennsylvania (influenza outbreaks or increases in influenza-like illness cases or laboratory-confirmed influenza in at least half of a state's regions.)
Topic |
Priority
Priority
|
Date of Alert |
---|---|---|
No Health Alerts Found | ||
Updated Guidance about COVID-19 and Influenza Vaccines | Advisory | Dec 7, 2021 |
Elevated Influenza Activity: Influenza B/Victoria and A(H1N1)pdm09 Viruses are the Predominant Viruses | Advisory | Jan 10, 2020 |
Influenza Activity is Elevated in Philadelphia: Clinical Reminders for the 2018–2019 Season | Advisory | Feb 4, 2019 |
Influenza Transmission High in Philadelphia: Public Health Recommendations to Limit Transmission | Advisory | Feb 1, 2018 |
Increasing Influenza Activity in Philadelphia: Clinical Reminders for the 2017–2018 Season | Advisory | Jan 12, 2018 |
It is very difficult to distinguish flu from other viral or bacterial respiratory illnesses based on symptoms alone. There are tests available to diagnose flu. More information is available: Diagnosing Flu.
The following influenza cases need to be reported to the Philadelphia Department of Public Health (PDPH)
Healthcare Facilities
Long Term Care Facilities
Childcare Centers
K-12 Schools
Shelters
Animal Exposures