About: http://webisa.webdatacommons.org/40210054

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	However, since the vaccine on rare occasions causes such serious side effects as high fever and convulsions, a new, safer vaccine has been used since 1997.
http://www.w3.org/ns/prov#wasQuotedFrom	parents.com