About: http://webisa.webdatacommons.org/126928968

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	Moreover, vaccination, albeit effective, must be performed before infection and has problems such as time taken to develop antibodies or the easily variable antigenic site of viruses.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com