Fig. (4) Proportion of individuals with an undetectable plasma viral load according to class of HIV-1 antiretroviral drug resistance among those with a genoptypic HIV-1 resistance test within three months of an HIV diagnosis. Variant, Atypical, and Resistant HIV Surveillance, King County, WA, USA 2003 – 2010. PI = protease inhibitors; NRTI = nucleoside reverse transcriptase inhibitors; NNRTI = non-nucleoside reverse transcription inhibitors.