West Nile virus are transmitted by mosquiotos. West Nile virus infection symptoms can be mild and goes away on their own. More severe symptoms include fever, headache, body aches etc. More serious infection causes infection of brain the the membrane surrounding brain and spinal cord. These symptoms include high fever, severe headachek neck stiffness, confusion, coma, seizure or partial paralysis. Interferon may be useful in treating West Nile virus infection.
How is West Nile virus treated in practice?