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.
Photo Credit: Getty/Christian Wilt. Mechanical isolation is probably the simplest concept that keeps individuals from being able to reproduce offspring with each other. Simply put, mechanical isolation is the incompatibility of sexual organs.They just do not fit together. It may be the shape of the reproductive organs not being compatible, or size differences that prohibit the individuals from coming together. In plants, mechanical isolation is a bit different.hoto Credit: Getty/Christian Wilt. Mechanical isolation is probably the simplest concept that keeps individuals from being able to reproduce offspring with each other. Simply put, mechanical isolation is the incompatibility of sexual organs.