Assertion: immigrant's situation | /r/IsA | polio
Facets:
Source sentences:
text: The following situations are classified as Class A: tuberculosis, syphilis, gonorrhea, Hansen's Disease (leprosy), cholera, diphtheria, plague, polio, smallpox, yellow fever, viral hemorrhagic fevers, severe acute respiratory syndromes, and influenza caused by novel or re-emergent influenza (pandemic flu).