Prevalence

{
  "id": "MLC-T-ENV-022041",
  "term": "Prevalence",
  "field": "Environment",
  "definition": "1. The proportion of disease cases that exist within a population at a specific point in time, relative to the number of individuals within that population at the same point in time.\n\n2. The number of existing disease cases in a defined population during a specific time period.\n\n3. The number or proportion of cases or events or conditions in a given population.\n\n4. The number of people in a population with a specific disease or condition at a given time, usually expressed as a ratio of the number of affected people to the total population.\n\n5. The total number of cases of a given disease at a particular point in time, includes new (i.e., incidence) as well as chronic cases.",
  "subject": "Health and safety",
  "references": [
    "Integrated Risk Information System (IRIS) Glossary; EPA 2003",
    "ATSDR 2004",
    "CDC 2005",
    "NLM/NICHSR 2004",
    "USDA 2004"
  ],
  "url": "https://mlchart.com/terminology/environment/prevalence/"
}