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
Maternal viremia most commonly spreading to fetus in utero: 
Select and explain. 
A. CMV, B. Rubella, C. HIV, D. Herpes
A: CMV
Answer: A: CMV 
Explanation: Ans. (a) CMV Ref. Nelson 17/e, p 568, 623, 626, 631 Transplacental transmission occure in Viruses Rubella CMV HSV Varicella zoster virus Parvo B - 19 Coxasackie viruses HIV West nile virus Coxasackie viruses HBV and HCV Measles Bacteria Syphilis TB Brucella Parasite Plasmodium T. cruzi Microsporidia Toxoplasma