> you're put into isolation and quarantine for a minimum of 14 days Many countries have the same measures in place if you come into contact with someone who la

> you're put into isolation and quarantine for a minimum of 14 days Many countries have the same measures in place if you come into contact with someone who later tests positive, and then require a negative test before you are 'released', so it should be easy to study how much an affect quarantine alone has.