<http://webisa.webdatacommons.org/prov/143187972>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159720012> .
<http://webisa.webdatacommons.org/159720012>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/159720012>	<http://www.w3.org/ns/prov#value>	"When this happens, infection may spread to other types of cells and tissues, including the bloodstream.Dengue is an enveloped virus, which means it is surrounded by a protein layer and a lipid bilayer." .
<http://webisa.webdatacommons.org/159720012>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pbslearningmedia.org> .