The definition of an excerpt is a quote from a book or film. An example of excerpt is a passage from a novel. Excerpt is defined as to select quotations. An example of excerpt is to choose a passage to cite in a research paper. excerpt to select, take out, or quote (passages from a book, sequences from a film, etc.); extract
Public health surveillance. Public health surveillance is the continuous, systematic collection, analysis and interpretation of health-related data needed for the planning, implementation, and evaluation of public health practice. Such surveillance can: serve as an early warning system for impending public health emergencies;
The main role of disease surveillance is to predict, observe, and minimize the harm caused by outbreak, epidemic, and pandemic situations, as well as increase knowledge about which factors contribute to such circumstances. A key part of modern disease surveillance is the practice of disease case reporting. In modern times, reporting incidences of disease outbreaks has been transformed from manual record keeping, to instant worldwide internet communication.