Assertion: smallpox | /r/HasAspect | a death rate of about 30%
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Variola major is the most common and severe form and has a death rate of about 30%.
text: This virus exists in two main forms: Variola major, which historically has a mortality rate of around 30%, and the less severe Variola minor with a mortality rate around 1% .