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equine encephalitis
(Encyclopedia)equine encephalitis ēˈkwÄ«n Ä•nsÄ•fˌəlīˈtÄs [key], infectious disease of horses caused by any of several viruses, three of which—the Eastern, Western, and Venezuelan viruses—can also infect...San Andrés and Providencia
(Encyclopedia)San Andrés and Providencia, district (1990 est. pop. 39,949), 21 sq mi (54 sq km), Colombia, comprising two small islands and seven groups of coral reefs and cays in the Caribbean 125–200 mi (201â€...Clayton-Bulwer Treaty
(Encyclopedia)Clayton-Bulwer Treaty, concluded (Apr. 19, 1850) at Washington, D.C., between the United States, represented by Secretary of State John M. Clayton, and Great Britain, represented by the British plenip...encephalitis
(Encyclopedia)encephalitis ĕnsĕfˌəlīˈtəs [key], general term used to describe a diffuse inflammation of the brain and spinal cord, usually of viral origin, often transmitted by mosquitoes, in contrast to a b...gnat
(Encyclopedia)gnat, common name for any one of a number of small, fragile-looking two-winged flies of the suborder Nematocera, order Diptera, which includes the families Tipulidae (crane flies), Bibionidae (hairfli...West Nile virus
(Encyclopedia)West Nile virus, microorganism and the infection resulting from it, which typically produces no symptoms or a flulike condition. The virus is a flavivirus and is related to a number of viruses that ca...tropical medicine
(Encyclopedia)tropical medicine, study, diagnosis, treatment, and prevention of certain diseases prevalent in the tropics. The warmth and humidity of the tropics and the often unsanitary conditions under which so m...larva, in zoology
(Encyclopedia)larva, independent, immature animal that undergoes a profound change, or metamorphosis, to assume the typical adult form. Larvae occur in almost all of the animal phyla; because most are tiny or micro...Farragut, David Glasgow
(Encyclopedia)Farragut, David Glasgow fărˈəgət [key], 1801–70, American admiral, b. near Knoxville, Tenn. Appointed a midshipman in 1810, he first served on the frigate Essex, commanded by David Porter, his s...hemorrhagic fever
(Encyclopedia)hemorrhagic fever hÄ•mˌərăjˈÄk [key], any of a group of viral diseases characterized by sudden onset, muscle and joint pain, fever, bleeding, and shock from loss of blood. Bleeding occurs in the ...Browse by Subject
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