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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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   Mar 16, 2023 · Encephalitis is inflammation of the brain that can be caused by infection, autoimmune disease or other factors. Learn about the signs, diagnosis and treatment of this serious condition that can affect brain function and health.

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. The severity can be variable with symptoms including reduction or alteration in consciousness, headache , fever , confusion , a stiff neck , and vomiting .

   • Causes: Infection, autoimmune, certain medication, unknown

   • Deaths: 150,000 (2015)

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

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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 an inflammation of the brain tissue caused by viral infections, bacteria, or fungi. It can be life-threatening and requires immediate medical attention. Learn about the symptoms, risk factors, diagnosis, treatment, and prevention of encephalitis from Healthline.