Assertion: inoculation | /r/HasProperty | historical method
Facets:
Source sentences:
text: "Inoculation (also known as variolation) was a historical method for the prevention of smallpox by deliberate inoculation into the skin of material from smallpox pustules.
text: Inoculation (also known as Variolation) is a historical method of making people immune to Smallpox.