Assertion: autoimmune disease's system | /r/CapableOf | fight infection
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: This means your immune system is impaired and is less able to fight infections.
text: Remember, a normal functioning immune system only attacks substances and infections that are thought of as foreign invaders, such as cancer cells.
text: Autoimmune diseases refer to problems with the immune system, which usually fights off viruses, bacteria, and infection.