A pain-free, non-invasive saliva test is as accurate as a traditional blood test to diagnose infections of the human immunodeficiency virus (HIV), according to a new meta-analysis published yesterday (January 24) in The Lancet Infectious Diseases. The test could be a solution for countries that wish to adopt self-testing strategies for HIV.
Pooling data from five worldwide databases, an international team of researchers found that Oraquick HIV-1/2, a saliva test sold by Pennsylvania-based OraSure Technologies, is 99 percent accurate for HIV in high-risk populations and about 97 percent accurate in low-risk populations. The test requires a single swab of the gums, which is then inserted into a handheld device that produces results in 20 minutes. The Oraquick has been available to clinicians since 2004 and is being considered for use as an over-the-counter test in the United States and sub-Saharan countries
You can read the full article at TheScientist.com.