Assertion: tetanus's symptom | /r/CapableOf | become apparent
Facets:
value: by the time
type: TEMPORAL
Source sentences:
text: The incubation period of tetanus is normally round eight days, though it can drag on for up to several months making it sometimes hard to identify the cause of the problem (the incubation period refers to the amount of time it takes for the symptoms to become apparent).
text: By the time symptoms become apparent, the neurotoxins produced by the bacteria have already bound to the nervous system.