What is encephalitis?

Encephalitis is an inflammation of the brain caused by an infection or through the immune system attacking the brain in error.

Watch: Stolen Lives

A short video about the impact that encephalitis has on individuals and their family members

Encephalitis in adults. A guide

Encephalitis in Adults. A guide explains the symptoms, diagnosis, treatment and after-effects of the illness and provides guidelines for recovery and rehabilitation.


Author: Alina Ellerington

Encephalitis in children - A guide

The Encephalitis in children. A guide follows the child and their family's journey from hospital ward to rehabilitation settings, school and home, hoping to direct them through the maze of health care, education and social care.


Author: Alina Ellerington

A Guide for General Practitioners

This Guide aims to support GPs by providing evidence-based and up-to-date information to help with recognising and managing the acute symptoms and after-effects of encephalitis and acquired brain injury.


Author: Alina Ellerington

  • 500k

    People are affected by encephalitis globally each year

  • 80%

    of the UK general public do not know what encephalitis is

  • 42m

    People reached during our 2017 World Encephalitis Day campaign

Our blog

  • A newsletter for encephalitis professionals

    The first edition of our newsletter for professionals interested in encephalitis is now available to read Read more

  • Encephalitis Conference 2017

    Researchers and clinical professionals interested in encephalitis joined us in London for our annual professional conference Read more

  • Winter newsletter 2017

    Our winter newsletter features the latest news from the Encephalitis Society, including exclusive details about World Encephalitis Day 2018 Read more

Fundraising events

  • Accumulator Challenge

    During November, 30 teams of up to 6 people will each be given £30 and challenged to accumulate as much money as their brains and bodies can achieve. Read more

  • Christmas Sarnie Day

    Christmas Sarnie Day on Friday, 15 December, is a fun - and tasty! - way to support the Encephalitis Society this December. Yule love it! Read more