<http://webisa.webdatacommons.org/56495146> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/56495146> <http://www.w3.org/ns/prov#value> "Diphtheria is extremely rare in developed nations including Australia because of the widespread use of the diphtheria vaccine." . <http://webisa.webdatacommons.org/prov/134551752> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/56495146> . <http://webisa.webdatacommons.org/56495146> <http://www.w3.org/ns/prov#wasQuotedFrom> <betterhealth.vic.gov.au> .