About: http://webisa.webdatacommons.org/150686701

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	Mr Leroy recalled the formulation of the vaccine as a very difficult task as the virus had four different strains and no animals including monkeys were suitable for testing.
http://www.w3.org/ns/prov#wasQuotedFrom	biospectrumasia.com