CD4 and infection: Initiating treatment at a CD4 count of <500 cells/μl and treating immediately averts 61 or 4.4% (IQR 44–81 or 3.3–5.5%) and 110 or 8.1% (IQR 87–142 or 6.6–9.4%) of TDR infections, respectively, as compared to initiating ART at CD4 <350 cells/μl.