| EHF | epidemic hemorrhagic fever; exophthalmos-hyperthyroid factor; extreme high frequency |
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| EIS | Environmental Impact Statement; Epidemic Intelligence Service |
| EKC | epidemic keratoconjunctivitis |
| EKS | epidemic Kaposi sarcoma |
| EN | endoscopy; enrolled nurse; enteral nutrition; epidemic nephritis; erythema nodosum |
| person to person epidemic | An epidemic resulting from person to person contact, characterised by a gradual rise and fall in number of cases. (09 Oct 1997) |
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| common-source epidemic | <microbiology> An epidemic resulting from infection of a large number of people from a single contaminated source. (09 Oct 1997) |
| pleurodynia, epidemic | An acute, febrile, infectious disease generally occurring in epidemics, most often seen in persons under the age of 20. It is usually caused by coxsackie viruses b and sometimes by coxsackie viruses a, echoviruses, and other enteroviruses. (12 Dec 1998) |
| point epidemic | An epidemic where a pronounced clustering of cases of disease occurs within a very short period of time (within a few days or even hours) due to exposure of persons or animals to a common source of infection such as food or water. (05 Mar 2000) |
| porcine epidemic diarrhoea | A disease of pigs caused by the porcine epidemic diarrhoea virus and characterised by acute diarrhoea, with high mortality in piglets. (05 Mar 2000) |
| porcine epidemic diarrhoea virus | A coronavirus causing porcine epidemic diarrhoea in pigs. (05 Mar 2000) |
| outbreak epidemic | A localised epidemic. (05 Mar 2000) |
| encephalitis, epidemic | A viral encephalitis caused by encephalitis viruses, all arboviruses. The severity of the encephalitis depends upon which virus strain causes the infection. The viruses are maintained by inapparent zoonoses in birds and lower vertebrates, and are transmitted to humans via arthropod vectors. (12 Dec 1998) |
| epidemic | <epidemiology> Occurring suddenly in numbers clearly in excess of normal expectancy, said especially of infectious diseases but applied also to any disease, injury or other health related event occurring in such outbreaks. Compare: endemic, sporadic. Origin: Gr. Epidemios = prevalent (13 Nov 1997) |
| epidemic benign dry pleurisy | An acute infectious disease usually occurring in epidemic form, characterised by paroxysms of pain, usually in the chest, and associated with strains of Enterovirus coxsackievirus type B. Synonym: benign dry pleurisy, Bornholm disease, Daae's disease, devil's grip, diaphragmatic pleurisy, epidemic benign dry pleurisy, epidemic diaphragmatic pleurisy, epidemic myalgia, epidemic myositis, myositis epidemica acuta, epidemic transient diaphragmatic spasm, Sylvest's disease. (05 Mar 2000) |
| epidemic cerebrospinal meningitis | An acute infectious disease affecting children and young adults, caused by Neisseria meningitidis; characterised by nasopharyngeal catarrh, headache, vomiting, convulsions, stiffness in the neck (nuchal rigidity), photophobia, constipation, cutaneous hyperesthesia, a purpuric or herpetic eruption, and the presence of Kernig's sign. Fulminant form may cause Waterhouse-Friderichsen syndrome. Synonym: cerebrospinal fever, epidemic cerebrospinal meningitis. (05 Mar 2000) |
| epidemic curve | A graph in which the number of new cases of a disease is plotted against an interval of time to describe a specific epidemic or outbreak. (05 Mar 2000) |
| epidemic diaphragmatic pleurisy | An acute infectious disease usually occurring in epidemic form, characterised by paroxysms of pain, usually in the chest, and associated with strains of Enterovirus coxsackievirus type B. Synonym: benign dry pleurisy, Bornholm disease, Daae's disease, devil's grip, diaphragmatic pleurisy, epidemic benign dry pleurisy, epidemic diaphragmatic pleurisy, epidemic myalgia, epidemic myositis, myositis epidemica acuta, epidemic transient diaphragmatic spasm, Sylvest's disease. (05 Mar 2000) |
| epidemic disease | Marked increase in prevalence of a disease in a specific population or area, usually with an environmental cause, such as an infectious or toxic agent. (05 Mar 2000) |
| epidemic dropsy | A disease causing occasional epidemics in India and Mauritius; marked by oedema, anaemia, eruptive angiomatosis, and mild fever; may be associated with nutritional deficiency. (05 Mar 2000) |