West Nile Virus Online Maps of the United States
Entry ID: 01-West_Nile_Virus_Map-00
Abstract: One of the potential effects of global climate change is the spread of disease
to new areas, as the vectors of those diseases (e.g., mosquitoes, birds) expand
into new locations in response to shifting climate conditions. Although the
direct cause of West Nile Virus (WNV) in the United States is not known, the
National Atlas of the US Geological Survey (reviewed in the June 26, 1998 Scout
Report) ... has recently launched this new resource on WNV distribution. First
documented in the US during the summer of 1999 and previously limited to
Africa, Eastern Europe, West Asia, and the Middle East, the West Nile Virus is
of danger to humans as it interferes with "normal central nervous system
functioning" and can cause encephalitis.
The online, interactive mapping system allows you to design and query your own
maps using more than 100 different map layers. Other portions of the site
describe WNV Surveillance Activity for the year 2000 and offers a series of
maps highlighting the US distribution of WNV cases found in humans, wild birds,
chickens, mosquitoes, and veterinary clinics. A series of links point to
further information on the virus.
The multimedia maps and charts are designed to illustrate documented
occurrences of WNV over time. Let your cursor roam over the map and
images and enjoy the exploration. In addition to interactive maps, the
National Atlas of the United States includes page-size (8.5 by 11
inch) maps designed for printing and reproduction. These maps are
offered in the following file formats:
- Graphic Interchange Format (GIF) format. Maps in this format can
be viewed in your browser window.
- Portable Document Format (PDF). You'll need Acrobat Reader
software to view and print PDF files. Get Acrobat Reader.
- Encapsulated PostScript format (EPS), a format used by publishing
professionals. The National Atlas EPS files were generated as Adobe
Illustrator 8.0 files.
[Summary adapted from the Internet Scout Report Vol 3, No. 23, July 19, 2000
and the West Nile Virus Maps web pages.]
Access Constraints The mulitmedia map requires the Shockwave plugin. It is available
from the following URL free of charge:
Creation and Review Dates