How accurate is std screening?

Very: Depends on which test you are speaking about... Culturebtesting for fonnorhea, chlamydia or herpes are extremely accurate, and urine or swab testing for bacterial dna for those are also very accurate. Hiv testing always has confirmatoey testing if the screen is positive and that is extremely accurate.

Enough...but...: Std screening is accurate enough for clinical use although no test can generate 100% sensitivity and specificity. Of note, most of chlamydia infected person are asymptomatic. General speaking, professional keenness in evaluating symptomatic patients leads to order std tests, and screening used for asymptomatic persons who may have impact to others such as those in or for pregnancy but with...