Nosocomial and Healthcare Associated infections

Track 12: Epidemiology and Public Health

Epidemiology is the "who, what, when, and where" of infectious diseases. The agents are transmitted through the air, food, insects, and some spread through person to person. Some agents occur worldwide, and others only in certain geographic areas or ecological circumstances. Every life form built its own profile vital. It is essential to discover the emergence of "new" diseases. Epidemiology helps develop the methodology to be used in clinical research studies, and  to a lesser extent, basic research in the biological sciences. Epidemiological studies involve an introduction, all the historical background, sources of surveillance data, laboratory diagnosis, the biological characteristics of the organism, mechanisms and routes of transmission, pathogenesis and immunity response the host, and finally the prevention, control and treatment. Epidemiologists with the help of the study design, data collection and statistical analysis of data, as well as the interpretation and dissemination of results that include peer review and the occasional systematic review. In this, they help implement and evaluate interventions at individual and community level