About: http://webisa.webdatacommons.org/9213325

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	In other cases, the flu aggravates an existing chronic illness, such as congestive heart failure or chronic pulmonary heart disease [source: CDC].
http://www.w3.org/ns/prov#wasQuotedFrom	howstuffworks.com