Epidemiology And The Center Of Disease Prevention And Control Essay

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According to the Center of Disease Prevention and Control (CDC), by definition, epidemiology is the study of the distribution and determinants of health and health outcomes in populations. Several methods can be used to carry out epidemiological investigation includes surveillance and descriptive study and analytical studies are used to study determinants (CDC, 2012). Determinants can be categorized as causes and risk factors that influence the pandemic of a disease. According to the World Health Organization, a risk factor is any attribute, characteristic or exposure of an individual that increases the likelihood of developing a disease (WHO, 2016). Various key elements that are critical to epidemiology are that it focuses on populations. Understanding why certain individuals have a high risk for diseases and why certain populations have more diseases or poorer health than other populations are essential to epidemiology. A second component that is very important to epidemiology is the association to public health practice and action, which results can be used to create interventions to improve the public’s health.
An Epidemiologist examines patterns and causes of a disease, specifically infectious disease. An infectious disease is caused by the presence of a pathogenic microorganism growing in or on the infected host. The disease can be spread directly or indirectly, from one person to another, which is considered transmissible. Indirect transfer spread is when an

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