just like what happened with elizabeth glazer. also what happened with lolisa gibson who became infected from her mother. when she decided to have children of her own she was determined to not let that happen again. she didn't always want to be a mother. >> i wasn't ready for a baby. i was too busy focusing on my career and focusing on changing the world. >> reporter: changing the world by teaching people about hiv. you see, at age 17 she learned she had aids. she was watching television when her doctor broke the news to her by phone. >> the tv went black. everything else went black, like nothing else mattered. now it was like, wow. i'm going to die. already lolisa hadn't done drugs. she had had sex but used a condom. what she didn't know was that her mother was hiv positive and had passed the virus on to her at birth or through her breast milk. she and her mother are now both on medication and in good health. when lolisa met darryl hunt she told him she had hiv and she insisted on safe sex. but one night the condoms failed and to

. >> elizabeth glazer was infected with hiv after a blood transfusion and unknowingly passed the virusr two children. she and her daughter aerial died from complications of aids. her son jake is alive and doing well. as things stand now about a million people living in the united states have hiv/aids. about a fifth of them, don't know they have it. it's all the more tragic if one of those people is a pregnant woman. she has about a 25% chance of passing on the virus to her child, just like what happened with elizabeth glazer. also, what happened with lolisa gibson. she became infected from her mother and when she decided to have children of her own she was determined not to let that happen again. lolisa gibson didn't always want to be a mother. >> i wasn't ready for a baby. i was too busy focusing on my career and focusing on changing the world. >> reporter: changing the world by teaching people about hiv. you see at age 17, lolisa learned she had aids. she was watching television when her doctor broke the news to her by phone. >> the tv went black, everything else went black, like not