Clinical isolates of Trichomonas vaginalis were obtained from women consecutively enrolled in a study of partner notification. Testing of susceptibility to metronidazole and tinidazole was performed. Resistance to metronidazole and tinidazole was present in 17/178 (9.6%) and 1/178 (0.56%) strains, respectively. In vitro resistance was poorly correlated with clinical response to treatment.

Chlamydia is the most commonly reported sexually transmitted infection (STI) in Canada and is recognized as an important public health concern. Laboratory confirmed cases of Chlamydia trachomatis have been nationally notifiable to the Public Health Agency of Canada (PHAC) since 1990; PHAC surveillance data show steadily rising rates of Chlamydia since 1997 (1). Similar increases have been docum...

BACKGROUND Partner notification (PN) is the process whereby sexual partners of an index patient are informed of their exposure to a sexually transmitted infection (STI) and the need to obtain treatment. For the person (index patient) with a curable STI, PN aims to eradicate infection and prevent re-infection. For sexual partners, PN aims to identify and treat undiagnosed STIs. At the level of s...