Saliva, blood, having Intercourse with some with HIV
From Wikipedia:
"The Joint Commission is a United States-based nonprofit tax-exempt 501 organization that accredits more than 22,000 US health care organizations and programs. The international branch accredits medical services from around the world."
Using protection like condoms and getting tested regularly
Answer:
sign of infection
Explanation:
Purulent drainage is a type of fluid that is released from a wound. Often described as being “milky” in appearance, it's almost always a sign of infection.