NOTE: The information regarding Saint Lucia on this page is re-published from the 2017 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Saint Lucia 2017 information contained here. All suggestions for corrections of any errors about Saint Lucia 2017 should be addressed to the CIA.
The difference between quarantine and isolation can be summed up like this: 1  Isolation applies to persons who are known to be ill with a contagious disease. 2  Quarantine applies to those who have been exposed to a contagious disease but who may or may not become ill.he difference between quarantine and isolation can be summed up like this: 1  Isolation applies to persons who are known to be ill with a contagious disease. 2  Quarantine applies to those who have been exposed to a contagious disease but who may or may not become ill.
Definition of 'quarantine'. quarantine (kwÉrÉntin ) If a person or animal is in quarantine, they are being kept separate from other people or animals for a set period of time, usually because they have or may have a disease that could spread. She was sent home and put in quarantine.