This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal Transplantation, Subject name: Medicine
The most common ocular infection after renal transplantation is by - 
Select and explain. 
A. Cytomegalovirus, B. Toxoplasma, C. Herpes virus, D. EB virus
A: Cytomegalovirus
Answer: A: Cytomegalovirus 
Explanation: Ans. is 'a' i.e., Cytomegalovirus o Cytomegalo virus (CMK)is a significant cause of morbidity and mortality in renal transplant recipients.o CMV is present in more than two thirds of donors and recipients prior to transplantation and can be transmitted from the donor by the transplanted kidney-\y The concurrent administration of immunosuppressive drugs to prevent rejection increases the risk of clinically relevant CMV disease.y Both the donor and the recipient are routinely tested for antic CMV antibodies prior to transplantation.