Background
The viral load test provides important information that is used in conjunction with the CD4 cell count: to monitor the status of HIV disease, to guide recommendations for therapy, and to predict the future course of HIV, decreases the complications of HIV disease and prolongs life. As per National AIDS Control Organization (NACO) Guidelines HIV-1 infected patients are treated with either one of the primary line regimen as follows SLN (Stavudine + Lamivudine + Nevirapine) Group A, ZLN (Zido-vudine + Lamivudine + Nevirapine) Group B, SLE (Stavudine + Lamivudine + Efavirenz) Group C, ZLE (Zidovudine + Lamivudine + Efavirenz) Group D.