About: http://webisa.webdatacommons.org/422567647

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	The World Health Organization (WHO) has divided the disease into four stages as it progresses, according to symptoms including weight loss and so-called opportunistic infections.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca