- Sharing needles to inject drugs
- Receptive Anal Intercourse
- Vaginal Intercourse
Source:
AIDS Infonet; "How Risky is It?; October 25, 2005.
From Mark Cichocki, R.N., former About.com Guide
Updated June 24, 2007
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Source:
AIDS Infonet; "How Risky is It?; October 25, 2005.