Health Information Portal (HIP)

Philadelphia Influenza Surveillance Updates: PDPH tracks influenza activity in Philadelphia, especially severe influenza disease. Providers should report all hospitalized influenza cases, influenza deaths in children, and influenza outbreaks in closed settings like long-term care facilities and shelters.

Week 43: Influenza diagnoses at local emergency departments remained low for all ages during week 43. Positive detections of influenza A and B at select local hospital laboratories both remain low. Severe case report data is pending and will be updated in a future report. No influenza outbreaks have been reported or confirmed (≥ 1 case of laboratory confirmed flu reported in a long-term care facility) so far this season.

Current Report: Click here to download the last weekly report of influenza activity (October 20, 2024 through October 26, 2024) in a printable format.

State and National Influenza Surveillance Updates:

Pennsylvania: As of October 26, 2024 the Pennsylvania Department of Health (PADOH) reported that influenza A and B activity is low. PADOH has resumed weekly summaries for trends related to Influenza, RSV, and COVID-19. For more information, please visit: https://www.health.pa.gov/topics/disease/Flu/Pages/2023-24-Flu.aspx

United States: As of October 26, 2024, the CDC reports that influenza activity is low nationwide. In week 43, clinical laboratories reported 594 specimens (1.0%) of 60,464 specimens tested positive for influenza, 88.0% of which were influenza A. Of influenza A specimens subtyped at public health labs, 32.3% have been subtyped as H1N1, 56.5% as H3N2, and 11.3% as H5. In week 43, only the District of Columbia reported moderate to high levels of influenza activity, with all other jurisdictions reporting low to minimal activity. Of note, two human infections of influenza A (H3N2) variant viruses were recently reported by the Minnesota Department of Health. For more information, please visit: https://www.cdc.gov/flu/weekly/?web=1&wdLOR=c71BAB5AB-9284-416F-B9D9-70F93738A077