Assertion: immune system | /r/CapableOf | fight invader
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Source sentences:
text: Researchers at the University of Virginia School of Medicine have theorized that interferon gamma (IG), a substance that helps the immune system fight invaders, was linked to social behavior, which is one of the ways we become exposed to pathogens.
text: When the body first encounters a virus or a bacterium, the immune system ramps up and begins to fight the invader.