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.
The viruses that can cause encephalitis include: Herpes simplex virus (HSV). Both HSV type 1 â associated with cold sores and fever blisters around your mouth â and HSV type 2 â associated with genital herpes â can cause encephalitis. Encephalitis caused by HSV type 1 is rare but can result in significant brain damage or death. Other herpes viruses. These include the Epstein-Barr virus, which commonly causes infectious mononucleosis, and the varicella-zoster virus, which commonly causes chickenpox and shingles. Enteroviruses.