About: http://webisa.webdatacommons.org/406532773

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	When a CD4 cell recognizes a pathogen -- an infectious agent such as a virus or bacteria -- the cell becomes switched on, or activated.
http://www.w3.org/ns/prov#wasQuotedFrom	thebodypro.com