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
Which virus cannot be cultivated - 
Select and explain. 
A. Vaccinia, B. Variola, C. Molluscum contagiosum, D. Cowpox
C: Molluscum contagiosum
Answer: C: Molluscum contagiosum 
Explanation: The molluscum bodies are composed of a large number of virus paicles embedded in a protein matrix. Humans are the only susceptible host. The virus cannot grow in eggs, tissue cultures or animals. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:465