1st. one week later, her parents say she stopped eating and they rushed her to a des moines hospital. how common it is for a baby to be kissed by someone and get the herpes virus? >> it's pretty rare for a baby to get hiv from a kiss, but it does happen. >> reporter: doctors diagnosing her with the same virus that causes cold sores, a form of herpes, which led to the meningitis that took her life. but both parents tested negative for the virus, leading doctors to say she could have caught it from a family member who simply kissed her. her family posting online that mariana had six blood transfusions, was air lifted to another hospital and on monday, lost her battle with the virus. her mother writing, our princess gained her angel wings at 8:41 a.m. this morning, in her da y daddy's arms and her mommy right beside her. they want to warn other people to be careful when letting people kiss their newborns. david. >> linzie janis with us.