About: http://webisa.webdatacommons.org/217523131

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	For a long time, the Sahara Desert probably acted as a sort of barrier, preventing the disease from reaching sub-Saharan Africa.
http://www.w3.org/ns/prov#wasQuotedFrom	snapshotserengeti.org