Point of care rapid test for diagnosis of syphilis infection in men and nonpregnant women

To determine the diagnostic accuracy of rapid tests at point of care (POC) for detecting syphilis infection in men and nonpregnant women of reproductive age, as verified with the combination of both reactive non-treponemal and treponemal test as the reference standard.

To assess the accuracy of rapid POC testing according to type (non-treponemal and treponemal), infection stage (active versus inactive) and setting (low/middle-income vs high-income countries). In addition, we will to determine the diagnostic accuracy of POC test by brand without realize a formal comparison.

This is a protocol.