Explained: When does a disease become endemic?

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News: The World Health Organisation(WHO) has said that novel coronavirus could become endemic to the world.

Facts:

  • Endemic: It refers to the constant presence and/or usual prevalence of a disease or infectious agent in a population within a geographic area.
  • Example:Malaria and Chickenpox are endemic diseases where there are a predictable number of cases every year in certain parts of the world.

Additional Facts:

  • Pandemic: It is an epidemic occurring worldwide or over a very wide area crossing international boundaries and usually affecting a large number of people.
  • Epidemic: It is an event in which a disease is actively spreading. Usually,this is an outbreak that has grown out of control but is often within one country or location.