This kind of situation was rare, but it did exist. In some novels or fictional stories, there might be a plot where a woman contracted AIDS. This situation was usually caused by some negative storyline such as being sexually assaulted or being infected by a virus. However, this was not caused by the protagonist's biological father. AIDS is a disease caused by the AIDS virus, which can be transmitted through unsafe sex. If a person is infected with the AIDS virus, even if they have not had unsafe sex, they may not necessarily get AIDS. Therefore, the protagonist's AIDS could have been caused by other factors other than her biological father's hand.