About: http://webisa.webdatacommons.org/430135752

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	With the advent of vaccines, however, the immune system is no longer taxed with fighting off life-threatening diseases such as polio and measles.
http://www.w3.org/ns/prov#wasQuotedFrom	umich.edu