Assertion: antigen | /r/HasProperty | virus
Facets:
Source sentences:
text: Antigens could be anything like a pathogen or bacteria or fungi or even virus.
text: Antigens can be bacteria, viruses, or fungi that cause infection and disease.
text: Antigens can be bacteria, viruses, or fungi that cause infection and disease.
text: Antigens could be any substance, bacteria, viruses, or fungi that stimulate an organism of infection and disease and cause the immune system to produce antibodies.