<http://webisa.webdatacommons.org/prov/158633375>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/313434462> .
<http://webisa.webdatacommons.org/313434462>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stonybrook.edu> .
<http://webisa.webdatacommons.org/313434462>	<http://www.w3.org/ns/prov#value>	"The current epidemic rate has been linked to the effectiveness of the vaccine, which was modified in the late 1990s following concerns about rashes, fevers and other side effects." .
<http://webisa.webdatacommons.org/313434462>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .