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;
An active surveillance system is one where health facilities are visited and health care providers and medical records are reviewed in order to identify a specific disease or condition.