About: http://webisa.webdatacommons.org/323316794

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 vaccine???s efficacy rate is usually in the 50 to 70 percent range. ???It???s never perfect, but for some people, getting the vaccine is a matter of life and death,??? she said.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com