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Nationalatlas.gov™ contains a remarkable range of products and services to meet the diverse needs of people who are looking for maps and geographic information about America. Dynamic maps are innovative illustrations of geographic phenomena. We combine the science of mapping with today's multimedia to offer maps that are useful, understandable, and that stimulate interactivity. |
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West Nile Virus 2000 | |||||||||||
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Directions - The cumulative number of occurances since the beginning of 2000 will appear as small text above the bar scale. To change weeks use the forward and back buttonson the control bar. Click one of the buttons under the conrtol bar to select a different map. Information Cases of West Nile virus (WNV) in the United States were first documented in the fall of 1999. WNV has been commonly found in humans and birds and other vertebrates in Africa, Eastern Europe, West Asia, and the Middle East, but had not previously been documented in the Western Hemisphere. The virus is transmitted to humans through the bite of a mosquito and can cause encephalitis - an inflammation of the brain. WNV interferes with normal central nervous system functioning. It is closely related to St. Louis encephalitis virus found in the United States. In 2000, the disease occurred in eighteen people in the New York City area and Northern New Jersey. There was only one fatality. The dynamic maps presented here document how the disease spread in 2000. |
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National Atlas of the United States® and The National Atlas of the United States of America® are registered trademarks of the United States Department of the Interior Privacy Statement, Disclaimer, Accessibility, FOIA http://nationalatlas.gov/dynamic/dyn_wnile.html Last modified: April 29, 2008 16:01 |