About: http://webisa.webdatacommons.org/21370217

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 government???s efforts to protect the public health mainly consisted of vaccinating us against smallpox, and, later on, vaccinating against polio.
http://www.w3.org/ns/prov#wasQuotedFrom	jphs.org