Assertion: vaccine's antigen | /r/HasProperty | virus
Facets:
Source sentences:
text: Antigens can be either live (such as viruses and bacteria) or inactivated.
text: Guillain-Barré syndrome is an example: your body reacts to an antigen (a viral infection or a vaccination) by deciding that the myelin sheaths around your nerves are also the enemy, and starts destroying them.