Introduction to Epidemiology 6th Edition by Ray M Merrill

Exercise 8

Explain the epidemiology triangle and compare and contrast it with the advanced epidemiology triangle.

Step 1 of 3

The traditional epidemiology triangle is created on the basis of model in which diseases are communicable and is very helpful in presenting the relationship between the host, time, agent, and environment which is also used in investigating epidemics and diseases.

Host is any organism which is generally an animal or a human that carries disease, the agent include the disease causing source which can be a microbe or a chemical and may others, time includes the incubation period, time of illness or the diseased condition, and environment includes the conditions and surroundings which is outside of an animal or a human that is the main cause or which spread the disease.