Assertion: vaccine's protein | /r/HasProperty | crucial
Facets:
value: for viral entry
type: PURPOSE
Source sentences:
text: One approach that I know that people are taking is to breed animals that have been engineered with the human form of the ACE2 protein which seems crucial for viral entry – one way or another, we should be able to find a small animal (mouse, hamster, etc.) that can be useful, but will it be found in time to actually be useful?