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Epidemiology is the study of patterns, causes, and effects of health and disease conditions in populations. It is a branch of public health that focuses on understanding the distribution and determinants of health and disease, and on developing and evaluating interventions to prevent and control health problems.
Epidemiologists are public health professionals who study the distribution and determinants of health and disease in populations. They use a variety of methods, including observational studies, clinical trials, and mathematical modeling, to understand the causes and risk factors of health problems, and to develop strategies to prevent and control them.
Epidemiologists work in a variety of settings, including public health agencies, universities, hospitals, and research institutions. They may specialize in a particular area of epidemiology, such as infectious disease epidemiology, cancer epidemiology, environmental epidemiology, or occupational epidemiology.
Epidemiologists play an important role in public health, as they help to identify the causes and risk factors of health problems, and develop strategies to prevent and control them. They may also work to evaluate the effectiveness of public health interventions and communicate findings to policymakers and the public.