What is the Difference between Endemic, Virulence, Epidemic and Pandemic
Diseases are associated with human race, right from the existence of the human on planet earth. However, they were just few in the beginning, but with the passage of time as human learned to live in communities these diseases start affecting the larger groups of community. Some terms like endemic and epidemic are used in this regard. There are some differences between these terms, here we are discussing them.
Endemic
Endemic means native to or belong to a particular area. When a disease spreads in a particular area or city, we call it endemic disease.
Virulence
Virulence is the ability of a microorganism, like bacteria and virus, to cause disease. More virulence means high ability of microorganism to cause infection. All microorganisms are not virulent.
Epidemic
When a large number of people get affected with a single disease in a particular time period, it is called as epidemic. It can be in a community or in a city. The disease may not be a communicable disease.
Pandemic
When a disease or epidemic spread to a larger area, or many countries, it is called as pandemic. Tuberculosis was the famous pandemic in the human history.
Endemic vs Virulance vs Epidemic vs Pandemic
Endemic, epidemic and pandemic are related but different terms. We can say that they are different only in scale of the disease. Endemic disease is that which is present in a community and spread at expected rate. If the same disease spreads at unexpected rate and affect more than expected people, we will call it as Epidemic. Similarly, if the same disease spreads even further and many countries are affected, it will be called as pandemic. Virulence is slightly different, as it is the ability of a disease causing agent to cause infection.
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