About: http://webisa.webdatacommons.org/274046752

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	By the mid-18th century smallpox was a major endemic disease everywhere in the world except in Australia and in several small islands.
http://www.w3.org/ns/prov#wasQuotedFrom	mashpedia.com