About: http://webisa.webdatacommons.org/217434394

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	More than 40 different toxins have been tested and ruled out, and viruses such as the swine flu have similarly come up negative.
http://www.w3.org/ns/prov#wasQuotedFrom	listverse.com