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What is A 40 year old man underwent kidney transplantation. Two month after transplantation,
he developed fever and feature suggestive of bilateral diffuse interstitial pneumonia. Which of the following is most likely etiologic agent ? and explain in detail?
It is a case of diffuse interstitial pneumonitis due to CMV.

Remember :

CMV is the MC infection complicating organ transplantation.
CMV is MC cause of intrauterine infection.
Risk of post transplant CMV infection is greatest 5-13 weeks after transplant.

Infections after Kidney Transplantation