About: http://webisa.webdatacommons.org/238463029

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Despite years of intensive investigation involving the testing of hundreds of animals, insects, and plants, no animal reservoir or other environmental source of either virus has been identified.
http://www.w3.org/ns/prov#wasQuotedFrom	allcountries.org