[header] How to prevent west nile virus [title] These infections were first reported in the united states back in 1999. [step] Wnv infections do not lead to any noticeable symptoms or any symptoms at all. Those infected may show a fever, headache, skin rash, body aches, or swollen lymph glands as symptoms. 
[title] However, wnv infections can be very serious if the virus makes its entry into the brain. [step] It may give rise to encephalitis, inflammation of the brain, or meningitis, inflammation of the tissue that is seen around the brain and spinal cord.