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An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. [1]
An endemic disease always has a steady, predictable number of people getting sick, but that number can be high (hyperendemic) or low (hypoendemic), and the disease can be severe or mild. [3] [4] Also, a disease that is usually endemic can become epidemic. [3] For example, chickenpox is endemic in the United Kingdom, but malaria is not.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 August 2024. Theoretical future stage of COVID-19 Part of a series on the COVID-19 pandemic Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom. COVID-19 (disease) SARS-CoV-2 (virus) Cases Deaths Timeline 2019 2020 January responses February responses ...
Epidemic typhus, also known as louse-borne typhus, is a form of typhus so named because the disease often causes epidemics following wars and natural disasters where civil life is disrupted. Epidemic typhus is spread to people through contact with infected body lice , in contrast to endemic typhus which is usually transmitted by fleas .
The World Health Organization declared the novel coronavirus disease a pandemic, with severe repercussions to human health and global economic activity. While WHO officials say the COVID-19 ...
Rinderpest primarily increased the disease burden among the Borana. For example, many people who ate the meat from rinderpest-riddled cattle often died of diarrhoea, probably as a result of the unsanitary condition of the meat. In the late 1880s, the region was also experiencing a smallpox epidemic.
For example, some areas may have a sudden spike in flu cases when the flu is prevalent. Epidemic and pandemic are just two of the words used frequently in news stories about the disease. "It boils ...
A medical dictionary definition of pandemic is "an epidemic occurring on a scale that crosses international boundaries, usually affecting people on a worldwide scale". [14] A disease or condition is not a pandemic merely because it is widespread or kills many people; it must also be infectious.