Question : Small Pox is caused by:
Option 1: rubella virus
Option 2: variola virus
Option 3: varicella
Option 4: myxovirus
Correct Answer: variola virus
Solution : The correct option is the variola virus .
Smallpox is caused by the variola virus, which belongs to the genus Orthopoxvirus. It is a highly contagious and often severe disease that has been eradicated globally through vaccination efforts. The last naturally occurring case of smallpox was recorded in 1977.
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