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