It's not comparable. Smallpox has a radically higher mortality rate, more contagious, worse side effects, and applies to both the young and old. "The risk of d

It's not comparable. Smallpox has a radically higher mortality rate, more contagious, worse side effects, and applies to both the young and old. "The risk of death after contracting the disease was about 30%, with higher rates among babies. Often those who survived had extensive scarring of their skin, and some were left blind." https://en.wikipedia.org/wiki/Smallpox https://en.wikipedia.org/wiki/Smallpox