Agency estimates 100,000 of every 72 New Yorkers contracted HIV in three-year . Expert : Demographics of the city contribute to the high rate of HIV infection . The lab technology enables health officials to determine whether HIV-positive individuals contracted the virus within the past five months , and the statistical model allows researchers to then make projections about a population 's infection rate . The city launched a 2006 initiative to give HIV tests to untested Bronx adults .
Agency estimates 100,000 of every 72 New Yorkers contracted HIV in three-year . Expert : Demographics of the city contribute to the high rate of HIV infection . The city launched a 2006 initiative to give HIV tests to untested Bronx adults .