The purpose of this introductory training is to provide HIV clinicians (including, but not limited to physicians, dentists, nurses, and other allied health professionals, therapists and social workers, and counselors, specialists, and case managers) with an overview of the opioid epidemic and HIV. The duration of the training is approximately 120-150 minutes (2-2 ½ hours), depending on whether the trainer chooses to present all of the slides, or a selection of slides.