<P> Viral encephalitis can occur either as a direct effect of an acute infection , or as one of the sequelae of a latent infection . The majority of viral cases of encephalitis have an unknown cause , however the most common identifiable cause of viral encephalitis is from herpes simplex infection . Other causes of acute viral encephalitis are rabies virus , poliovirus , and measles virus . </P>
<P> Viral encephalitis can occur either as a direct effect of an acute infection , or as one of the sequelae of a latent infection . The majority of viral cases of encephalitis have an unknown cause , however the most common identifiable cause of viral encephalitis is from herpes simplex infection . Other causes of acute viral encephalitis are rabies virus , poliovirus , and measles virus . </P>
which is the most common cause of acute encephalitis in the united states
which is the most common cause of acute encephalitis in the united states
herpes simplex infection
herpes simplex infection