A 32-year-old man with HIV presents with a 3-month history of numerous small bumps on his face, neck, trunk, and groin. They have gradually increased in number. He reports no pain or pruritus. He has had unintentional weight loss and recurrent oral thrush. Physical examination shows dozens of 2–5 mm, flesh-colored, dome-shaped papules, many with central umbilication, clustered on the cheeks and suprapubic region. No inguinal lymphadenopathy is noted. His CD4 count is 70 cells/mm^3.

Which of the following patient populations is most likely to have a prolonged course of this condition with widespread papules?