Smallpox was an infectious disease caused by one of two virus variants, Variola major and Variola minor.[7] The agent of variola virus (VARV) belongs to the genus Orthopoxvirus. [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980.Smallpox WAS an infectious disease
No, I would not get a smallpox vaccine. Why get a vaccine for something that no longer exists?