Assertion: influenza pandemic | /r/CapableOf | emerge in pig
Facets:
value: most likely
type: DEGREE
Source sentences:
text: On June 23, 2009, The New York Times reported that U.S. federal agriculture officials believed that, "contrary to the popular assumption that the new swine flu pandemic arose on factory farms in Mexico", now believe it "most likely emerged in pigs in Asia, but then traveled to North America in a human".