Addressing the Spread of Infectious Disease

please read the me Three Epidemiological Models Epidemiological Triangle Web of Causation The Wheel Model Epidemiological Triangle Epidemiological Triangle Model used for many years Three segments Host: degree that a person is able to adapt to stressors Agent: biological, chemical, or physical Environment: influences probability of contact between host and agent Implies that each segment must be analyzed and understood in order to predict a disease Web of Causation Web of Causation Effects never depend on single isolated causes Web develops as a result of chains of causation Each link is the result of a complex genealogy The Wheel Model Consists of a hub (host or human) that has genetic makeup as its core Surrounding host is the environment Biological Social Physical Implies a need to identify multiple etiological factors of disease without emphasizing the agent of disease dia video and the powerpoint