HIV is a virus that affects your immunity system and if you don t treat this virus it can kill and infect your CD4 cells. Less number of CD4 cells will make you susceptible to develop different infections and cancers. The only way to diagnose HIV is to undergo HIV tests which involves checking of your blood or body fluids to identify the infection. The National Aids Research Institute (Nari) has developed a new way to diagnose HIV that includes screening of saliva to test antibodies against HIV in individuals instead of screening blood. As per the estimates by the