About: http://webisa.webdatacommons.org/420001825

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	In fact, smallpox is the deadliest disease known to humanity; until Edward Jenner developed the vaccine in 1796, it was the leading cause of death in Europe.
http://www.w3.org/ns/prov#wasQuotedFrom	thenewdawnliberia.com