epidemic
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epidemic
[ep″ĭ-dem´ik]occuring suddenly in numbers clearly in excess of normal expectancy, in contrast to endemic or sporadic. The term is used especially of infectious diseases but is also applied to any disease, injury, or other health-related event occurring in such outbreaks.
epidemic hemorrhagic fever an acute infectious disease thought to be transmitted to humans by mites or chiggers; characteristics include fever, purpura, peripheral vascular collapse, and acute renal failure.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
ep·i·dem·ic
(ep'i-dem'ik),The occurrence in a community or region of cases of an illness, specific health-related behavior, or other health-related events clearly in excess of normal expectancy; the word is also used to describe outbreaks of disease in animals or plants. Compare: endemic, sporadic.
[epi- + G. dēmos, the people]
Farlex Partner Medical Dictionary © Farlex 2012
epidemic
(ĕp′ĭ-dĕm′ĭk) alsoepidemical
(-ĭ-kəl)adj.
1. Spreading rapidly and extensively by infection and affecting many individuals in an area or a population at the same time: an epidemic outbreak of influenza.
2. Widely prevalent: epidemic discontent.
n.
1. An outbreak of a contagious disease that spreads rapidly and widely.
2. A rapid spread, growth, or development: an unemployment epidemic.
ep′i·dem′i·cal·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
epidemic
adjective Referring to an epidemic noun The occurrence of more cases of a disease or illness than expected in a given community or region or among a specific group of people over a particular period of time; a wave of infections in a region by an organism with a short generation time; epidemics are usually heralded by an exponential rise in number of cases in time and a decline as susceptible persons are exhausted. See Hidden epidemic, Media epidemic, Pseudoepidemic, Tobacco epidemic. Cf Endemic, Pandemic.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
ep·i·dem·ic
(ep'i-dem'ik)The occurrence in a community or region of cases of an illness, specific health-related behavior, or other health-related events clearly in excess of normal expectancy.
Compare: endemic, sporadic
Compare: endemic, sporadic
[epi- + G. dēmos, the people]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
epidemic
The occurrence of a large number of cases of a particular disease in a given population within a period of a few weeks. Epidemics occur when a population contains many susceptible people. This is why epidemics often occur at intervals of several years.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
epidemic
the occurrence of many cases of a disease within an area.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
Epidemic
A situation where a large number of infections by a particular agent, such as a virus, develops in a short time. The agent is rapidly transmitted to many individuals.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
ep·i·dem·ic
(ep'i-dem'ik)Occurrence in a community or region of cases of an illness, specific health-related behavior, or other health-related events clearly in excess of normal expectancy.
[epi- + G. dēmos, the people]
Medical Dictionary for the Dental Professions © Farlex 2012