About: http://webisa.webdatacommons.org/409693950

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	The ever-increasing traffic on the Oregon Trail brought new contagions, especially those associated with childhood, such as chicken pox, measles, and whooping cough.
http://www.w3.org/ns/prov#wasQuotedFrom	ohs.org