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.
Tick-Borne Encephalitis is a flu-like illness, with symptoms appearing within 7-14 days of being bitten. The symptoms can include fever, headache, nausea and photophobia, which could lead to neck stiffness, convulsions and an altered mental state. It could also lead to meningitis, encephalitis and muscular paralysis.