Vector Borne and Zoonotic Disease
West Nile Virus: Animals
Most animals, including dogs and cats, that are bitten by a mosquito infected with West Nile Virus will not become sick. West Nile illness occurs primarily in certain types of birds, horses and humansWest Nile infection has been reported in more than 280 bird species in the United States with the most severe illnesses seen among crows, jays, ravens and magpies. West Nile virus infections affecting the nervous system have also been reported in squirrels, goats, sheep, and llamas, but the susceptibility of these animals to West Nile virus is not well known. Birds and animals cannot transmit the West Nile Virus to people. Horses are susceptible to West Nile virus; however, a vaccine is available.
Contact your veterinarian for information about pets and livestock.