If you need to define a word in your paper, the definition usually comes from a glossary in the back of a book. To properly attribute this definition you will need to cite it according to the American Psychological Association (APA) style guidelines.
Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.
Some people may have symptoms of a cold or stomach infection before encephalitis symptoms begin. When this infection is not very severe, the symptoms may be similar to those of other illnesses: 1  Fever that is not very high.  Mild headache.