About: http://webisa.webdatacommons.org/79991985

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	Because the vaccines only work before you get infected, and most people become infected relatively soon after they begin sexual activity, the vaccines are mainly targeted to young adolescent girls and boys, Lowy explains.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov