About: http://webisa.webdatacommons.org/113863530

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	Normally, the immune system is on the alert for invaders such as viruses, bacteria, and other organisms that cause disease.
http://www.w3.org/ns/prov#wasQuotedFrom	healthy.net