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
Small pox belongs to which class of poxviruses - 
Select and explain. 
A. Parapoxvirus, B. Capripoxvirus, C. Leporipox virus, D. Ohopovirus
D: Ohopovirus
Answer: D: Ohopovirus 
Explanation: Variola virus causes smallpox. It belongs to ohopoxvirus REF:ANANTHA ANARAYANAN MICROBIOLOGYNINTH EDITION PAGE.461&465(RECAP)