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Public health is "the science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society, organizations, public and private, communities and individuals". [1][2] Analyzing the determinants of health of a population and the threats it faces is the basis for public health. [3]
The United States Public Health Service (USPHS or PHS) is a collection of agencies of the Department of Health and Human Services concerned with public health, containing nine out of the department's twelve operating divisions. The Assistant Secretary for Health oversees the PHS. The Public Health Service Commissioned Corps (PHSCC) is the ...
Though public health definitions shift and evolve over time, the distinctions between these terms are generally a matter of scale. In short, a pandemic is an epidemic that has gone global.
Syndromic surveillance is the analysis of medical data to detect or anticipate disease outbreaks.According to a CDC definition, "the term 'syndromic surveillance' applies to surveillance using health-related data that precede diagnosis and signal a sufficient probability of a case or an outbreak to warrant further public health response.
Phase 1: A virus in animals has caused no known infections in humans. Phase 2: An animal virus has caused infection in humans. Phase 3: There are scattered cases or small clusters of disease in ...
Community health workers are public health workers. Their goal is to connect communities with their health care systems and state health departments. Community health worker (CHW) is an umbrella ...
Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in a defined population. It is a cornerstone of public health, and shapes policy decisions and evidence-based practice by identifying risk factors for disease and targets for preventive healthcare.
According to the WHO, a pandemic is defined as the “worldwide spread of a new disease.”. When a new disease first emerges, most of us lack the natural immunity to fight it off. This can cause ...