Photo of children running and playing in a grassy field with a lensflare and sunset

About Us

The Pediatric HIV/AIDS Cohort Study (PHACS) network was established in 2005 to conduct multiple longitudinal cohort studies investigating the long-term effects of HIV and antiretroviral (ARV) medications in children and young adults who were born with HIV or born exposed to HIV.

Three photos in a row. Left: baby feet cupped in a pair of adult halds; Right: a child smiling and hugging the belly of a pregnant woman; right: An adult woman sitting and laughing with a female child.

Pediatric HIV Research Areas

These studies followed newborns, young children, adolescents, and young adults to address two critical pediatric HIV research areas:


Long Term Safety

The long-term safety of fetal and infant exposure to antiretroviral (ART) medications used to prevent perinatal HIV transmission and for maternal health

The effects of perinatally acquired HIV infection in adolescents and young adults


Clinical Sites

Twenty-five clinical sites across 13 states and Puerto Rico participated in the PHACS studies. 

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Organizations

The PHACS network was coordinated by Harvard T.H Chan School of Public Health, in partnership with Frontier Science and Westat.

PHACS Leadership

Photo of Ellen Chadwick

Northwestern Feinberg School of Medicine

Photo of Paige Williams

Harvard T.H. Chan School of Public Health

Photo of Sonia Hernandez-Diaz

Harvard T. H. Chan School of Public Health

Photo of Jennifer Jao

Northwest Feinberg School of Medicine

Photo of George Seage

Harvard T. H. Chan School of Public Health

Photo of Russel Van Dyke

Tulane University School of Medicine

Photo of Ken Rich

University of Illinois Chicago