About: http://webisa.webdatacommons.org/359634171

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	Developing such a vaccine is a a challenge, because children under the age of two do not stage the same kind of immune response to vaccines as older children.
http://www.w3.org/ns/prov#wasQuotedFrom	sff.net