About: http://webisa.webdatacommons.org/74503515

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	A vaccine is a harmless virus or toxin that triggers the immune system to respond by creating antibodies.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu