Navigation Links
Outbreak


Virus outbreaks occur when a virus bypasses infection control measures and a relatively high number of infections are observed where no cases or sporadic cases occurred in the past. The study of pathogenic viral outbreaks is a branch of epidemiology and usually refers to virus outbreaks that make people, animals, or plants sick. As with bacterial outbreaks, viral outbreaks are classified as sporadic (occasional occurrence), endemic (regular cases often occurring in a region), epidemic (an unusually high number of cases in a region), or pandemic (a global epidemic).

Major human epidemic viruses include influenza, Human Immunodeficiancy Virus (HIV), measles, and rubella. Smallpox has been eradicated as a major epidemic virus, however emerging viruses and engineered viruses pose a significant challenge for the future. HIV is no longer considered an emerging virus as it was discovered over 20 years ago, and it has grown to become a major epidemic. Other emerging viruses include Severe Acute Respiratory Syndrome (SARS), henipaviruses and Ebola which have been contained through aggressive contact tracing and isolation of patients and suspected carriers of the disease.

Hoof and mouth disease (UK foot and mouth disease) is a major animal epidemic virus affecting the agricultural industry of any country with an outbreak. It affects cows, pigs, sheep, goats, deer and other cloven hoofed animals.

See also:

epidemiology, bacterium, virus


Outbreak (film) was the name of a film.


'"/>


(Date:9/17/2014)... the human retinoblastoma protein gene are a leading cause ... turned to fruit fly eyes to unlock the secrets ... paper featured on the cover of the current issue ... State University researchers provide the first detailed examination of ... the human cancer gene, said Irina Pushel, MSU undergraduate ...
(Date:9/17/2014)... decline, grasses have returned to some once-denuded patches of ... those places seems healthy again, but a new study ... coastal protection remains diminished. , "We,ve got ... back," said ecologist Mark Bertness, professor of biology at ... journal Biological Conservation . "The metric of a ...
(Date:9/17/2014)... a great deal about complex social behavior by studying ... to teach too. , With their unusually large brains ... live in a complex social environment---not merely in a ... ants, but in a dynamic setting of alliances and ... mammals: dolphins, whales, primates, and social carnivores, like hyenas ...
Breaking Biology News(10 mins):Abnormal properties of cancer protein revealed in fly eyes 2Cape Cod saltmarsh recovery looks good, falls short 2Cape Cod saltmarsh recovery looks good, falls short 3Being social: Learning from the behavior of birds 2
... life on earth, yet freshwater animals and plants are ... The dominant causes are the many stressors that affect ... by alien species, dams, over-abstraction, many forms of pollution ... sensitive to climate change which now exacerbates all these ...
... in the September 2008 issue of BioScience ... and Its Use in Basic and Applied Insect Science. ... genomes and comparative genomics are providing new insights into ... to a variety of biotechnological applications to pest management, ...
... have been diagnosed with Parkinson,s disease, could benefit from ... Craig from Queen,s School of Psychology is researching the ... have difficulty controlling their movements. The work is ... European Research Council. Dr Craig is the only ...
Cached Biology News:Water: stressed-out and overheated 2BioScience tip sheet, September 2008 2New sensory devices will aid Parkinson's and stroke patients 2
Other biology definitionOther Tags