Viruses

Based on safety reports available from the EPA, many of the pesticides being used by local agencies for mosquito control are considered to have very low toxicity to birds. For more information, contact your local health department for information on the...
It is possible that there may have been a mutation in the virus that is causing a higher number of species to be affected this year. There is currently no evidence of significant mutation in the U.S. strain of WNV since its discovery in 1999, but many...
Questions about human health and West Nile virus:The U.S. Centers for Disease Control and Prevention are the designated federal authority charged with investigating impacts of the West Nile virus on human health. The CDC has developed the most...
Visit the USGS National Wildlife Health Center (NWHC) to learn more about specific wildlife diseases being studied.  The NWHC was established in 1975 as a biomedical laboratory dedicated to assessing the impact of disease on wildlife and to identifying...
Since 1999, West Nile Virus has been detected in at least 48 species of mosquitoes, over 320 species of birds, at least 2 species of reptiles, and more than 25 mammalian species, including horses and humans.Most birds that are infected with West Nile...
First let's talk about what E. coli is. It is a type of bacteria commonly found in the intestines of animals and humans. The presence of E. coli in water is a strong indication of recent sewage or animal waste contamination. The full fact sheet is on the...