About: http://webisa.webdatacommons.org/46860173

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	It then disappeared for almost 20 years, before reappearing in 1977 (Russian influenza) with a molecular structure identical to that of a virus that had circulated during the late 1940 s, causing a pandemic mainly among young people.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca