About: http://webisa.webdatacommons.org/384889555

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	The advent of vaccines contributed to major improvements in human morbidity and mortality due to infectious diseases such as polio, small pox, measles and diphtheria.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov