About: http://webisa.webdatacommons.org/80180833

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	Yes, if you know that there is an outbreak or someone with the disease, not going near them (or into a room in which they had recently been) would make it unlikely for you to be infected by that known source of infection.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com