Encephalitis means inflammation of the brain, and it is usually the result of an infection. The disease can be life threatening, but this form of the disease is quite rare. The symptoms can be very mild in some cases leading some doctors to believe that there is a much higher instance of the disease than is reported.

There are two types of encephalitis, a primary form and a secondary form. The primary form is when there is a direct infection of the brain and spinal cord and the secondary infection occurs when there is an infection in another part of the body that moves to the brain.

The symptoms of encephalitis can be very mild and only cause headache, lethargy and irritability. Some people don(adminname：admin)