Endemic Vs Epidemic Vs Pandemic Definition
Pandemic an epidemic is defined as an outbreak of disease that spreads quickly and affects many individuals at the same time a pandemic is a type of epidemic one with greater range and coverage an outbreak of a disease that occurs over a wide geographic area and affects an exceptionally high proportion of the population.
Endemic vs epidemic vs pandemic definition. Epidemic versus pandemic comparison chart. Endemic is usually an adjective unlike pandemic and epidemic above. Endemic is something that belongs to a particular people or country. Hyperendemic refers to the persistent higher levels of disease prevalence in a particular place.
For example chickenpox varicella is a common occurrence in many countries around the world for school children. An epidemic occurs when the incidence rate i e. In the field of public health the words endemic epidemic and pandemic all denote the spread of an infectious disease but the extent of its spread differs for each. A constant presence and or usual prevalence of a disease or infection within a geographic area.
An epidemic is a widespread occurrence of an infectious disease in a community at a particular time. A pandemic is an epidemic that s spread over multiple countries or continents. An epidemic is a disease that affects a large number of people within a community population or region. How to use epidemic vs.
For example chickenpox is considered endemic in the uk but malaria is not. What exactly is the difference. The prefix en means in or within and the greek root dēm os means people so the basic meaning of endemic is within a certain people or within a certain area. The element dem in epidemic endemic and pandemic comes from the ancient greek word demos which meant people or district.
The first records of endemic in english come from the mid 1600s. Endemic refers to the persistent or common presence of a disease both infectious or non infectious or an agent of infection in a specific region or population. Epi among demos epidemic en in demos endemic pan all demos pandemic. Hyperendemic is a situation in.
While the terms may suggest that there is a specific threshold by which an event is declared an outbreak epidemic or pandemic the distinction is often blurred even among epidemiologists. An outbreak is a greater than anticipated increase in the number of endemic cases. Why call covid 19 a pandemic now. New cases in a given human population during a given period of a certain disease substantially exceeds what is expected based on recent experience.