Contagious disease
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A contagious disease is an
A disease is often known to be contagious before
The disease itself can also be called a
Historical meaning
Originally, the term referred to a contagion (a derivative of 'contact') or disease transmissible only by direct physical contact. In the modern-day, the term has sometimes been broadened to encompass any communicable or infectious disease. Often the word can only be understood in context, where it is used to emphasize very infectious, easily transmitted, or especially severe communicable diseases.
In 1849, John Snow first proposed that cholera was a contagious disease.
Effect on public health response
Most
Some locations are better suited for the research into the contagious pathogens due to the reduced risk of transmission afforded by a remote or isolated location.
Negative room pressure is a technique in health care facilities based on aerobiological designs.
See also
References
- ^ "Merriam-Webster dictionary definition of contagious disease". www.thefreedictionary.com. Retrieved 2009-11-27.
- ^ "How To Prepare For Emergencies". www.redcross.org. Retrieved 2009-11-27.
A primer from the CDC on quarantine and its uses against contagious disease spread