About: http://webisa.webdatacommons.org/398363630

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	However, the effectiveness of this vaccination strategy was unclear, especially with regard to potential impact on prevention of 2009 H1N1 pandemic.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca