Assertion: smallpox's virus | /r/HasProperty | derived
Facets:
value: from a common ancestral virus
type: OTHER
value: from the original one
type: OTHER
Source sentences:
text: The present virus is derived from the original one used by Jenner, obtained from the lesions of, but the origin of the original virus remains unclear.
text: The most common notion is that vaccinia virus, cowpox virus, and variola virus (the causative agent of smallpox) were all derived from a common ancestral virus.
text: The most common notion is that vaccinia virus, cowpox virus, and variola virus (the causative agent of smallpox) were all derived from a common ancestral virus.