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 statements about Parvovirus B-19 are true except- 
Select and explain. 
A. DNA virus, B. Crosses placenta in only <10% of cases, C. Can cause sever anemia, D. Can cause aplastic crises
B: Crosses placenta in only <10% of cases
Answer: B: Crosses placenta in only <10% of cases 
Explanation: parvo virus cause aplastic&severe anemia.it is a sdDNA virus REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.554