About: http://webisa.webdatacommons.org/355752527

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	Researchers knew the causes of diseases such as malaria, pneumonia, tuberculosis, and yellow fever.
http://www.w3.org/ns/prov#wasQuotedFrom	enotes.com