What is smallpox virus?
Smallpox virus is known as variola virus.
Variola virus is the virus that causes smallpox. This is a double-stranded DNA virus in the family Poxviridae and the genus Orthopoxvirus.
This virus only infects humans, which is the main reason why it was able to be eradicated.
To learn more you should go to a medical professional.
Keyword: smallpox virus