<prompt> All is true about syphilis exceptSeropositive infant not treated at bih if mother received penicillin in 3rd trimesterFor neurosyphilis FTA-ABS is sensitive; VDRL diagnostic but CSF pleocylosis is best treatment response guide.HIV patients are less likely to become VDRL nonreactive after treatmentEIA, RPR, indicate past or current infection  <response>: A i.e. Seropositive infant not treated at bih if mother received penicillin in 3rd trimester 