Testing for sexually transmitted infections: a brave new world?

The sensitivity of nucleic acid amplification tests has made it possible to use non-invasive specimens, such as urine or vaginal swabs, for the diagnosis and screening for major bacterial sexually transmitted infections (STIs). As these specimens can be stored and transported at ambient temperatures, there has been a proliferation of internet-based STI testing services that are advertised as private, safe and confidential. The tests used and the...