About: http://webisa.webdatacommons.org/286634419

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 they are inexpensive, these vaccines are still made and used in certain parts of the world, including Asia and South America.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu