What is sporadic disease in epidemiology?

Sporadic refers to a disease that occurs infrequently and irregularly. Endemic refers to the constant presence and/or usual prevalence of a disease or infectious agent in a population within a geographic area. Hyperendemic refers to persistent, high levels of disease occurrence.

What is an example of an endemic disease?

Examples of endemic diseases include chicken pox that occurs at a predictable rate among young school children in the United States and malaria in some areas of Africa. The disease is present in a community at all times but in relatively low frequency.

What causes sporadic disease?

By definition, a sporadic genetic disease is not inherited from parents, but arises via a mutation. However, a sporadic genetic disease becomes inheritable to children of the person who has acquired the genetic disease via mutation.

What is an example of hyperendemic disease?

Examples. In the discussion of the dengue fever, a hyperendemic state is characterized by the continuous circulation of multiple viral serotypes in an area where a large pool of susceptible hosts and a competent vector (with or without seasonal variation) are constantly present.

What is Endermic?

1 : acting through the skin or by direct application to the skin endermic ointments. 2 : administered within the dermis : intradermal endermic injections.

What are 3 types of epidemics?

Based on criteria such as this, epidemics are classified into three types: common source outbreaks. propagated or progressive epidemics. mixed epidemics….We will look at each of them in turn.

• 1 Common source outbreaks.
• 2 Propagated or progressive epidemics.
• 3 Mixed epidemics.

Which disease is epidemic?

An epidemic refers to an increase, often sudden, in the number of cases of an infectious disease above what is normally expected in a given population in a specific area. Examples of major epidemics include cholera and diarrhoeal diseases, measles, malaria, and dengue fever.

What are common endemic diseases?

Endemic Disease

• Hepatitis A Virus.
• Hepatitis B Virus.
• Malaria.
• Hepatitis B.
• Human Immunodeficiency Virus.

What are the examples of epidemic diseases?

Yellow fever, smallpox, measles, and polio are prime examples of epidemics that occurred throughout American history. Notably, an epidemic disease doesn’t necessarily have to be contagious. For example, West Nile fever and the rapid increase in obesity rates are also considered epidemics.

What is a pandemic?

A pandemic is the spread of a new disease around the world. Before calling a disease a pandemic, experts consider these things: How far has it spread? A pandemic is when an illness spans many countries or continents, or over a wide area.

What is the first pandemic?

430 B.C.: Athens. The earliest recorded pandemic happened during the Peloponnesian War. After the disease passed through Libya, Ethiopia and Egypt, it crossed the Athenian walls as the Spartans laid siege. As much as two-thirds of the population died.