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   What is infectious encephalitis?

   • Encephalitis (en-sef-uh-LIE-tis) is inflammation of the brain. There are several causes, including viral infection, autoimmune inflammation, bacterial infection, insect bites and others. When inflammation is caused by an infection in the brain, it's known as infectious encephalitis.

   Encephalitis - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/encephalitis/symptoms-causes/syc-20356136

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   What causes encephalitis?

   • Causes of encephalitis include viruses such as herpes simplex virus and rabies virus as well as bacteria, fungi, or parasites. Other causes include autoimmune diseases and certain medications. In many cases the cause remains unknown. Risk factors include a weak immune system.

   Encephalitis - Wikipedia

   en.wikipedia.org/wiki/Encephalitis

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   How common is encephalitis?

   • In 2015, encephalitis was estimated to have affected 4.3 million people and resulted in 150,000 deaths worldwide. Adults with encephalitis present with acute onset of fever, headache, confusion, and sometimes seizures. Younger children or infants may present with irritability, poor appetite and fever.

   Encephalitis - Wikipedia

   en.wikipedia.org/wiki/Encephalitis

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2. www.mayoclinic.org › diseases-conditionsEncephalitis - Symptoms and causes - Mayo Clinic

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   May 16, 2024 · Encephalitis is inflammation of the brain that can be caused by infection, autoimmune response or other factors. Learn about the signs, causes and complications of encephalitis, and how it is diagnosed and treated.

3. my.clevelandclinic.org › health › diseasesEncephalitis: What It Is, Causes, Symptoms, Treatment & Types

   my.clevelandclinic.org › health › diseases

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   Dec 18, 2023 · Encephalitis is a rare, serious condition that causes brain inflammation and swelling. It can be caused by viral infections, insect bites or autoimmune reactions. Learn about the types, diagnosis, complications and treatment of encephalitis.

4. en.wikipedia.org › wiki › EncephalitisEncephalitis - Wikipedia

   en.wikipedia.org › wiki › Encephalitis

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   Encephalitis is inflammation of the brain. [5] The severity can be variable with symptoms including reduction or alteration in consciousness, headache, fever, confusion, a stiff neck, and vomiting. [1] [6] Complications may include seizures, hallucinations, trouble speaking, memory problems, and problems with hearing.

   • Causes: Infection, autoimmune, certain medication, unknown

   • Deaths: 150,000 (2015)

5. www.hopkinsmedicine.org › encephalitisEncephalitis | Johns Hopkins Medicine

   www.hopkinsmedicine.org › encephalitis

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   Encephalitis is a serious brain inflammation that can be caused by infections or autoimmune conditions. Learn about the types, signs, tests and treatments of encephalitis from Johns Hopkins Medicine.

6. www.ninds.nih.gov › disorders › encephalitisEncephalitis | National Institute of Neurological Disorders ...

   www.ninds.nih.gov › disorders › encephalitis

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   Nov 28, 2023 · Encephalitis is inflammation of the brain that can be caused by infections, autoimmune disorders, or other factors. Learn about the types, causes, symptoms, diagnosis, and treatment of encephalitis from the National Institute of Neurological Disorders and Stroke.

7. www.healthline.com › health › encephalitisEncephalitis: Causes, Risk Factors, and Symptoms - Healthline

   www.healthline.com › health › encephalitis

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   Sep 29, 2018 · Encephalitis is a rare but serious inflammation of the brain tissue, usually caused by viral infections. Learn about the types, risk factors, complications, and prevention of this condition.