This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
All of the following are transfusion-transmitted viruses except 
Select and explain. 
A. Hepatitis B, B. CMV, C. HTLV - 1, D. Rubella
D: Rubella
Answer: D: Rubella 
Explanation: Rubella infection is acquired by inhalation or transplacental route. Ref: Baveja textbook of microbiology; 4th edition