A 22-year-old woman presents at the walk-in health clinic with a slight fever (38.5°C), a complaint of frequent urination, burning on urination, vaginal discharge, and a small lesion on the labia. The woman reported that she was moderately sexually active and had three sexual partners in the past six months. Her last sexual contact was about 5 days earlier. She had developed mild symptoms about 5 days earlier, beginning with discharge from the vagina. She began having pain on urination about 3 days earlier. Urine analysis revealed a pH of 8.2, some white cells, and a few red blood cells. There was protein in the urine. A smear of the vaginal secretion showed a number of Gram-negative cocci. What is your diagnosis here? What clinical features are critical to your diagnosis? What further actions must be taken?