Assertion: existing infection | /r/Causes | one new infection
Facets:
Source sentences:
text: If R 0 equals 1, each existing infection causes one new infection.
text: Three possibilities exist for the potential transmission or decline of a disease, depending on its R 0 value: If R 0 is less than 1, each existing infection causes less than one new infection.
text: If R 0 is more than 1, each existing infection causes more than one new infection.
text: equals 1, each existing infection causes one new infection.
text: is less than 1, each existing infection causes less than one new infection.