(CNN) R. Kelly’s personal physician of 25 years took the stand Thursday to testify about his treatment of the singer’s genital herpes since at least 2007, after prosecutors allege the singer knowingly infected multiple people with the incurable sexually transmitted disease.
The singer, 54, whose full name is Robert Sylvester Kelly, has pleaded not guilty to charges of racketeering and violating the Mann Act, an anti-sex trafficking law.
Separately from this case, Kelly faces federal child pornography and obstruction charges in the Northern District of Illinois, and faces state charges there for multiple counts of aggravated criminal sexual abuse. He has strongly denied the accusations.
One of the underlying acts alleged against him is that he knowingly infected women with herpes, in violation of public health laws that require people who have an infectious venereal disease to notify their partners about their diagnosis.