| Russian autumn encephalitis | <pathology> An epidemic viral encephalitis that strikes populations in Japan and other East Asian countries, typically in summer months. Symptoms canresemble poliomyelitis, but the disease can also be virtually symptomless. (09 Oct 1997) |
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| Russian autumn encephalitis virus | A virus of the genus Flavivirus (group B arbovirus) occurring particularly in Japan but probably widespread throughout Southeast Asia; the virus is normally present in humans, especially in children, as an inapparent infection, but may cause febrile response and sometimes encephalitis; it may cause encephalitis in horses and abortion in pigs; wild birds are probably the natural hosts and culicine mosquitoes the vectors. Synonym: Russian autumn encephalitis virus. (05 Mar 2000) |
| Russian influenza | A pandemic of a strain influenza A virus thought to have originated in Russia; occurred in 1978. (05 Mar 2000) |
| Russian spring-summer encephalitis virus | An arbovirus of the genus Flavivirus that occurs in Central Europe and the USSR in two subtypes, causing two forms of encephalitis in humans: tick-borne encephalitis (Central European subtype) and tick-borne encephalitis (Eastern subtype); the vectors are ticks of the genus Ixodes. Synonym: Russian spring-summer encephalitis virus, tick-borne virus. (05 Mar 2000) |
| Russian tick-borne encephalitis | 1. (Central European subtype) tick-borne meningoencephalitis caused by a flavivirus closely related to the virus causing the Far Eastern type; it is transmitted by Ixodes ricinus, also by infected raw milk, especially that of goats. Synonym: biundulant meningoencephalitis, Central European tick-borne fever, diphasic milk fever, Russian spring-summer encephalitis (Western subtype). 2. (Eastern subtype) tick-borne encephalitis, a severe form of encephalitis caused by a flavivirus, a virus belonging to the Flaviviridae family, and transmitted by ticks (Ixodes pertulcatus and I. Ricinus). Synonym: Russian tick-borne encephalitis. (05 Mar 2000) |
| Far East Russian encephalitis | Tick-borne encephalitis (Eastern subtype). (05 Mar 2000) |
| models, economic | Statistical models of the production, distribution, and consumption of goods and services, as well as of financial considerations. For the application of statistics to the testing and quantifying of economic theories models, econometric is available. (12 Dec 1998) |
| socio-economic | Relating to social or economic factors or to a combination of both social and economic factors. (05 Dec 1998) |
| inflation, economic | An increase in the volume of money and credit relative to available goods resulting in a substantial and continuing rise in the general price level. (12 Dec 1998) |
| economic botany | <study> The study of plants and plant products that can be used for profit, such as in the field of agriculture or medicine. (13 Nov 1997) |
| economic coefficient | In growth and cultivation of microorganisms, the ratio of the mass produced to the substrate consumed. (05 Mar 2000) |
| economic competition | The effort of two or more parties to secure the business of a third party by offering, usually under fair or equitable rules of business practice, the most favourable terms. (12 Dec 1998) |
| economic entomology | <study> The study of insects which are able to cause economic losses by destroying plants or animals that are commercially valuable. (09 Oct 1997) |
| economic sector | A subdivision of economic activities based on major purpose (for example, "commercial sector" or "private sector"). (05 Dec 1998) |
| economic value of life | The evaluation of the monetary value of a life lost or a life saved. (12 Dec 1998) |