About: http://webisa.webdatacommons.org/428445768

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	So if the reduction in tetanus mortality in the 1950s is anything other than part of the continuing decline with better standards of living, those two reasons are the most likely explanations.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com