Shafaqna English- The Grand Ayatollah Sistani’s Fatwas About “Medical Issues”. Answer : If he knows that the virus can infect her through sexual relations, it is not permissible for him at all. Question 8: What is the ruling on marriage between two people who are carriers of the AIDS virus? Question 9: Is it permissible for a person infected with AIDS to marry a person who is free from it? Question 10: What is the rule on intentionally infecting others with the AIDS virus?