CD4 and HIV infectious disease: In this study, after six months of NVP+3TC+AZT ART regimen the mean CD4 cell count increment was 215/ml, and 205/ml from EFV+AZT+3TC group the mean CD4 cell with no significant difference among the two groups which is in agreement with report from adult HIV- infection clinical trial which showed no significant differences between the groups with respect to the change in the CD4 cell count from base line [1].