This Web site contains the most recent West Nile virus data from the Centers for Disease Control. The main features include a 2003 Human Case Count and updated maps representing the spread of the virus. A downloadable document outlines the CDC's West Nile virus surveillance and control program, which involves weekly data collection for wild birds, sentinel chicken flocks, human cases, veterinary...

The July 2003 issue of Smithsonian Magazine includes a feature article about the West Nile Virus. The article offers an in-depth look at the work of a group of scientists as they "race to develop vaccines against the scourge while others probe the possible lingering effects of the mosquito-borne infection." The 7-page articles may be downloaded free of charge. The site also includes links to...

Given the increased concern over contagious diseases and viruses spread by various host animals and insects (such as the West Nile virus), these maps provided by the USGS are both helpful in their pragmatic applications, and for those studying the spatial distribution of the West Nile virus. The Web site begins with a brief background essay on the history of the virus, how the virus is...

This recent Whyfiles feature offers a detailed look at zoonotic diseases, or those diseases that spread to people from other animals. Zoonotic diseases, such as monkeypox and West Nile virus, make up two-thirds of all infectious diseases and may represent a growing threat. This 4-page Whyfiles piece provides an insightful and easy-to-understand discussion of emerging zoonotic diseases, including a...