Two additional cases of West Nile virus have been confirmed in humans in Massachusetts, as public health officials raise the risk level in 9 more cities and town. So far this summer, there have been ...

West Nile virus is the most common mosquito-borne disease in the US. The virus is spread by mosquitoes during the summer and fall. About 1 in 5 people infected with the virus have symptoms, such as ...

The CDC says the first reported case of human West Nile virus illness for 2005 is in Kansas. No details were available on the patient's status. West Nile virus is transmitted seasonally by infected ...

HOUSTON (KTRK) -- We have an update on the spread of the West Nile virus across Harris County. A map from the public health department shows which particular ZIP codes where mosquitoes with West Nile ...

West Nile Virus infections in mosquitoes are at their highest recorded level ever in California. Last week, 52 new human cases were reported, bringing the total to 181. Eight people have died from the ...