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Essay On Epidemiological Triad

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EPIDEMIOLOGICAL TRIAD This concept was taken from module 3 “Epidemiological application in public health”, sub-topic 1 “Definition, concept and approaches in Epidemiology”. Epidemiology is a word that had it’s beginning from Hippocrates’s observation of his environment. This observation was made more than 2000 years ago. He concluded that environmental factors was the main cause of disease. Epidemiology is a branch of science which tries to find out the frequency and distribution of disease in a specific environment in order to find out the causative agent, discover ways to treat the disease and work towards preventing it’s reoccurrence in the future. Epidemiological triad can be defined as a model representing the cause of a disease. The Epidemiological triad consists of three major components, i.e. the host, the environment and the agent. The agent and the environment have to act together to cause the disease in the host. For more clarification, the components will be explained for better understanding. The Epidemiological triad consists of the following: The Epidemiological triad can be represented with diagram. Epidemiological triad can only lead to a disease when there is a susceptible host. The Agent is always present but if the host is healthy and the environment …show more content…

I observed it critically and noticed that despite the cold environment, the friends around me who were constantly having catarrh I was never infected with it. I got to understand that for a disease to occur there must be a susceptible host. Often times I am been bitten by mosquitoes but I have come to understand that I only become down when am undergoing through much stress and not eating much and I guess that the malaria shows up because at that point my immunity

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