About: http://webisa.webdatacommons.org/333389107

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	I would think the patient you are visiting, especially if their immune system is weakened from cancer would be more at risk from germs brought in from the outside via visitors.
http://www.w3.org/ns/prov#wasQuotedFrom	medhelp.org