1st August 2023

A 43 year old recipient of a cadaveric kidney transplant is admitted with a 2 week history of fever, malaise, fatigue, and myalgia.

A 43 year old recipient of a cadaveric kidney transplant is admitted with a 2 week history of fever, malaise, fatigue, and myalgia. He has received maintenance immunosuppression for 6 months since the transplant in the form of mycophenolate, tacrolimus and prednisolone. Initial tests demonstrate deranged liver function tests, leukopenia, and thrombocytopenia.

What pathogen is the most likely culprit?

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