Detecting HIV antibodies in oral fluid: validation of a commercial antigen-antibody assay

[...]although oral fluid from HIV-l-infected individuals contains antibodies to HIV1, the presence of infectious virus is rare. [...]oral fluid samples are easy to collect and the procedure is noninvasive, increasing patient comfort, acceptability of the method, and compliance with repeated testing.4-5 Oral fluid is a mixture consisting of the secretions of the salivary glands together with oral cavity microorganisms, cells and a gingival-crevicular transudate (GCT).