This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Most common age group effected in rubella is: 
Select and explain. 
A. Infants, B. Adolscents, C. Pregnant females, D. Women of child bearing age
D: Women of child bearing age
Answer: D: Women of child bearing age 
Explanation: Women of child bearing age