. " CD4 cell count is less than 350 cells per ??L was associated with increased progression rates, and in view of diminished concerns about toxic effects and resistance,51,68 our results suggest that 350 cells per ??L should be the minimum threshold at which antiretroviral therapy is started.AcknowledgmentsWe are grateful to all patients, doctors, nurses, and other people who were involved with the p" . . . .