The New York City public health authorities will begin spraying pesticide in the Bronx on Monday night, to prevent the spread of the West Nile Virus.

According to New York health officials, residents in affected areas should stay indoors during spraying, especially those who have respiratory problems. Furthermore, residents are also advised to wash skin and clothes exposed to the pesticide with soap and water

The first indications of the West Nile Virus, this year, have been reported in Arlington County, Virginia, health officials report Wednesday. The virus was found in mosquitoes that were caught in traps in the northern portions of the county.

"Finding these infected mosquito pools is important because we know the virus is active now," Aftab Hussain, vector control supervisor at the Arlington County Environmental Health Bureau tells the Washington Post. "This means the chance that people will get bitten by infected mosquitoes has increased

California's capital is taking new steps to stop the spread of the potentially deadly West Nile virus.

Two planes will spray the northern part of Sacramento County with a diluted pesticide for three nights in a row; beginning Monday

A Nevada official confirms two ducks found in a pool outside a Las Vegas Strip casino have tested positive for West Nile Virus.

Anette Rink, Nevada Department of Agriculture director of animal disease and food safety says, "It's my understanding that the birds were picked up in a pool at a Strip casino

New research shows the American robin may be a more potent source for the West Nile virus.

Theodore Andreadis, chief medical entomologist at the Connecticut Agricultural Experiment Station , says DNA analysis of blood taken from 300 mosquitoes in Connecticut over the past three years finds 40-percent fed on the blood of robins, while only one percent fed on crows