... and monitoring patients to be initiated on oralready on drug therapy. According to the WHO Guide to ART in Resource ConstraintSettings, the use of laboratory investigation is divided into four ... provides critical information on key principles guiding health workers in managing HIV/AIDS, whether in preventing new infections, caring for them or mitigatingits impact. For this reason, it is important ... we indicated the number of facilities included in the denominator, whereappropriate. 3.1 .2 Validity of key indicatorsSelf-reports of critical information to measure the impact of HIV/AIDS on...