| typhoid pleurisy | An obsolete term for acute or subacute pleurisy with typhoid symptoms. (05 Mar 2000) |
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| fibrinous pleurisy | Pleurisy with a fibrinous exudation, without an effusion of serum, resulting in adhesion between the opposing surfaces of the pleura. Synonym: adhesive pleurisy, fibrinous pleurisy, plastic pleurisy. (05 Mar 2000) |
| acute epidemic conjunctivitis | An obsolete term for an acute conjunctivitis marked by intense hyperaemia and profuse mucopurulent discharge. Synonym: acute epidemic conjunctivitis, pinkeye. (05 Mar 2000) |
| acute epidemic leukoencephalitis | A disease characterised by acute onset of fever, followed by convulsions, delirium, and coma, and associated with perivascular demyelination and haemorrhagic foci in the central nervous system. Synonym: acute primary haemorrhagic meningoencephalitis, Strumpell's disease. (05 Mar 2000) |
| behavioural epidemic | An epidemic originating in behavioural patterns (in contrast to invading microorganisms); examples include medieval dancing mania, episodes of crowd panic. (05 Mar 2000) |
| 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) |
| 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 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) |