Reprinted with permission from: the International AIDS Society-USA. Johnson VA, Brun-Vézinet F, Clotet B, Günthard HF, Kuritzkes DR, Pillay D, Schapiro JM, and Richman DD. Update of the Drug Resistance Mutations in HIV-1: December 2010. Topics in HIV Medicine 2010; 18(5):156-163. Updated information (and thorough explanatory notes) are available at
www.iasusa.org.
