People who don't know their own H.I.V. status account for 50% to 70 % of all new infections. If they knew, they would take steps to protect themselves and their partners.
Dr. Julie Gerberding
the CDC's director, on the new proposed guidelines for routine H.I.V. testing for Americans 13 to 64
Photo: DAVID MCNEW / GETTY IMAGES | Source: New York Times