Information about Epidemic
In epidemiology, an epidemic (from Greek epi- upon + demos people) is a classification of a disease that appears as new cases in a given human population, during a given period, at a rate that substantially exceeds what is "expected," based on recent experience (the number of new cases in the population during a specified period of time is called the "incidence rate"). (An epizootic is the same thing but for an animal population.)
Defining an epidemic can be subjective, depending in part on what is "expected". An epidemic may be restricted to one locale (an outbreak), more general (an "epidemic") or even global (pandemic). Because it is based on what is "expected" or thought normal, a few cases of a very rare disease like rabies may be classified as an "epidemic," while many cases of a common disease (like the common cold) would not.
Common diseases that occur at a constant but relatively high rate in the population are said to be "endemic." An example of an endemic disease is malaria in some parts of Africa (for example, Liberia) in which a large portion of the population is expected to get malaria at some point in their lifetimes.
Famous examples of epidemics include the bubonic plague epidemic of Medieval Europe known as the Black Death, and the Great Influenza Pandemic concurring with the end of World War I.
In August 2007, the World Health Organization reported an unprecedented rate of propagation of infectious diseases. [1]
Defining an epidemic can be subjective, depending in part on what is "expected". An epidemic may be restricted to one locale (an outbreak), more general (an "epidemic") or even global (pandemic). Because it is based on what is "expected" or thought normal, a few cases of a very rare disease like rabies may be classified as an "epidemic," while many cases of a common disease (like the common cold) would not.
Common diseases that occur at a constant but relatively high rate in the population are said to be "endemic." An example of an endemic disease is malaria in some parts of Africa (for example, Liberia) in which a large portion of the population is expected to get malaria at some point in their lifetimes.
Famous examples of epidemics include the bubonic plague epidemic of Medieval Europe known as the Black Death, and the Great Influenza Pandemic concurring with the end of World War I.
In August 2007, the World Health Organization reported an unprecedented rate of propagation of infectious diseases. [1]
Non-biological usage
The term is often used in a non-biological sense to refer to widespread and growing societal problems, for example, in discussions of obesity, mental illness or drug addiction.External links
Epidemiology is the study of factors affecting the health and illness of populations, and serves as the foundation and logic of interventions made in the interest of public health and preventive medicine.
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Greek}}}
Writing system: Greek alphabet
Official status
Official language of: Greece
Cyprus
European Union
recognised as minority language in parts of:
European Union
Italy
Turkey
Regulated by:
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Writing system: Greek alphabet
Official status
Official language of: Greece
Cyprus
European Union
recognised as minority language in parts of:
European Union
Italy
Turkey
Regulated by:
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In epizoology, an epizootic (from Greek epi- upon + zoion animal) is a disease that appears as new cases in a given animal population, during a given period, at a rate that substantially exceeds what is "expected" based on recent experience (i.e.
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pandemic (from Greek παν pan all + δήμος demos people) is an epidemic that spreads through human populations across a large region (for example a continent), or even worldwide.
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endemic (from Greek en- in or within + demos people) in a population when that infection is maintained in the population without the need for external inputs. For example, chickenpox is endemic (steady state) in the UK, but malaria is not.
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Malaria
Classification & external resources
Plasmodium falciparum ring-forms and gametocytes in human blood.
ICD-10 B 50.
ICD-9 084
OMIM 248310
DiseasesDB 7728
MedlinePlus 000621
eMedicine med/1385 emerg/305 ped/1357
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Classification & external resources
Plasmodium falciparum ring-forms and gametocytes in human blood.
ICD-10 B 50.
ICD-9 084
OMIM 248310
DiseasesDB 7728
MedlinePlus 000621
eMedicine med/1385 emerg/305 ped/1357
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Africa is the world's second-largest and second most-populous continent, after Asia. At about 30,221,532 km² (11,668,545 sq mi) including adjacent islands, it covers 6% of the Earth's total surface area, and 20.4% of the total land area.
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Motto
"The love of liberty brought us here"
Anthem
All Hail, Liberia, Hail!
Capital Monrovia
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"The love of liberty brought us here"
Anthem
All Hail, Liberia, Hail!
Capital Monrovia
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Bubonic Plague
Classification & external resources
Yersinia pestis'' seen at 2000x magnification with a fluorescent label. This bacterium, carried and spread by fleas, is the cause of the various forms of the disease plague.
ICD-10 A 20.
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Classification & external resources
Yersinia pestis'' seen at 2000x magnification with a fluorescent label. This bacterium, carried and spread by fleas, is the cause of the various forms of the disease plague.
ICD-10 A 20.
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Middle Ages form the middle period in a traditional schematic division of European history into three "ages": the classical civilization of Antiquity, the Middle Ages and Modern Times.
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Europe is one of the seven traditional continents of the Earth. Physically and geologically, Europe is the westernmost peninsula of Eurasia, west of Asia. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Sea,
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Black Death, or The Black Plague, was one of the most deadly pandemics in human history. It began in South-western or Central Asia and spread to Europe by the late 1340s.
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Flu
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- Flu
- Flu season
- Flu vaccine
- Flu treatment
- Avian flu
- H5N1 flu
- Flu research
- Genome project
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Clockwise from top: Trenches on the Western Front; a British Mark IV tank crossing a trench; Royal Navy battleship HMS Irresistible sinking after striking a mine at the Battle of the Dardanelles; a Vickers machine gun crew with gas masks, and German Albatros D.
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World Health Organization (WHO) is a specialized agency of the United Nations (UN) that acts as a coordinating authority on international public health. Established on 7 April 1948, and headquartered in Geneva, Switzerland, the agency inherited the mandate and resources of
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infectious disease is a clinically evident disease resulting from the presence of pathogenic microbial agents, including viruses, bacteria, fungi, protozoa, multicellular parasites, and aberrant proteins known as prions.
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society is a grouping of individuals which is characterized by common interests and may have distinctive culture and institutions. Members of a society may be from different ethnic groups.
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Obesity
Classification & external resources
Silhouettes representing healthy, overweight, and obese.
ICD-10 E 66.
ICD-9 278
DiseasesDB 9099
MedlinePlus 003101
eMedicine med/1653
MeSH C23.888.144.699.
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Classification & external resources
Silhouettes representing healthy, overweight, and obese.
ICD-10 E 66.
ICD-9 278
DiseasesDB 9099
MedlinePlus 003101
eMedicine med/1653
MeSH C23.888.144.699.
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MeSH D001523 Mental disorder or mental illness are terms used to refer a psychological or physiological pattern that occurs in an individual and is usually associated with distress or disability that is not expected as part of normal development or culture.
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Drug addiction is a condition characterized by compulsive drug intake, craving and seeking, despite what the majority of society may perceive as the negative consequences associated with drug use.
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