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Lyme disease: signs and symptoms

Lyme disease, or Lyme borreliosis, is a bacterial infection spread to humans when they are bitten by an infected tick.

• From: UK Health Security Agency
• Published: 21 August 2015
• Last updated: 20 May 2022
  Show all updates

  1. 20 May 2022

     Updated information on signs and symptoms.

  2. 27 June 2018

     Updated guidance

  3. 21 August 2015

     First published.

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Lyme disease: signs and symptoms

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Summary of signs and symptoms of Lyme disease.