Quarantine (7)
'quarantine' is the definition.
(I know that quarantine is a more specific form of isolate)
This is all the clue.
(Other definitions for isolate that I've seen before include "Set apart from others" , "Also tie (anag.)" , "Put into quarantine" , "Place in seclusion" , "Ostracise" .)
'quarantine' is the definition.
(I know that isolation is a type of quarantine)
This is the entire clue.
(Other definitions for isolation that I've seen before include "Detachment" , "Being separated" , "Quarantine; solitude" , "Staff in such a hospital working with" , "Separation - solitude" .)