<P> Encephalitis is an inflammation of the brain . It is usually caused by a foreign substance or a viral infection . Symptoms of this disease include headache , neck pain , drowsiness , nausea , and fever . If caused by the West Nile virus , it may be lethal to humans , as well as birds and horses . </P>
<P> Encephalitis is an inflammation of the brain . It is usually caused by a foreign substance or a viral infection . Symptoms of this disease include headache , neck pain , drowsiness , nausea , and fever . If caused by the West Nile virus , it may be lethal to humans , as well as birds and horses . </P>
infection of the central nervous system ( cns ) can cause hypoventilation or
infection of the central nervous system ( cns ) can cause hypoventilation or
Encephalitis
Encephalitis