About: http://webisa.webdatacommons.org/315279067

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	Several types of HIV tests are available but for each type of test there is a brief period of time after infection during which they are unable to detect infection in a person who is HIV-positive.
http://www.w3.org/ns/prov#wasQuotedFrom	catie.ca