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AIDS Activities Coordinating Office (AACO)

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Data and Research

Surveillance is the ongoing and systematic collection, analysis, interpretation, and dissemination of data regarding a health-related event.

HIV surveillance collects, analyzes, and disseminates information about new and existing cases of HIV infection, including AIDS.

See below for the number of HIV diagnoses, AIDS diagnoses, deaths, and people living with HIV/AIDS by year in Philadelphia.


Philadelphia Surveillance Reports

National HIV Behavioral Surveillance System Reports

In addition to surveillance activities, AACO participates in the Medical Monitoring Project and National Behavioral Surveillance System.

For more information about HIV/AIDS surveillance in Philadelphia, please email:


Additional Information
AIDSVU is an interactive mapping tool that allows users to examine newly diagnosed and prevalent case counts or rates by age, race, and sex at both zip code and census tract levels.

Pennsylvania Health Department
Information on HIV/AIDS for the state of Pennsylvania can be found here.

Centers for Disease Control and Prevention
National HIV/AIDS reports and other publications can be found here.

National HIV/AIDS Strategy
A five-year plan to guide the national response to the HIV epidemic can be found here.

Philadelphia Department of Public Health
The latest scientific publications about HIV/AIDS by PDPH staff can be found here.