About: http://webisa.webdatacommons.org/149689622

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	Many of these infectious agents are ubiquitous, such as Pneumocystis carinii, cytomegalovirus, and varicella-zoster virus, and probably usually precede HIV infection in the host.
http://www.w3.org/ns/prov#wasQuotedFrom	ucsf.edu