1st August 2023

A 23 year old man is referred to his local genitourinary services after presenting to his GP with urethral discharge and dysuria.

A 23 year old man is referred to his local genitourinary services after presenting to his GP with urethral discharge and dysuria. On further history and examination, he reports being generally unwell for several months with intermittent fever, and the enlarged bilateral axillary and inguinal lymph nodes you identified on the examination have also been troubling him throughout that time. You consent to HIV testing.

What is the most important test to confirm the diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.