Assertion: smallpox's contact | /r/HasProperty | prolonged
Facets:
value: fairly
type: DEGREE
Source sentences:
text: Before smallpox was eradicated, it was mainly spread by direct and fairly prolonged face-to-face contact between people.
text: Smallpox is spread through prolonged face-to-face contact via droplets expelled from the patient’s nose and mouth, usually by coughing.
text: Smallpox is usually spread through direct and fairly prolonged contact with an infected person, particularly with face-to-face contact.
text: My understanding is that smallpox is only moderately contagious, requiring reasonably prolonged face-to-face contact for transmission.