30th September 2021

A 35-year-old man presents with swollen lymph nodes, difficulty breathing and fever

A 35-year-old man presents with swollen lymph nodes, difficulty breathing and fever. He has a past medical history of HIV. Chest x-ray reveals an area of consolidation, likely pneumonia. His diet largely consists of cold cut meats and raw foods. Social history is unremarkable – he lives alone with his cat. The doctor suspects an acute infection. What is the most likely cause of this patient’s deterioration?

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