As older Arizonans living with HIV grows, so does their isolation.

When Marlon Guzman turned 32 years old, his family threw him a blowout birthday party. They thought it was his last.

Guzman, who tested positive for HIV in 1989, stopped taking his medication, and his white blood cell count had plummeted to the point where his viral load—the amount of virus in someone’s body—was, in his words, “off the charts.”