About: http://webisa.webdatacommons.org/81221390

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	Polio, measles, etc. are perfect examples of vaccines which are proven to work and have very low risk.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com