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Study links autoantibodies to long COVID symptoms (Level A1) — a close up of a human brain on a black background

Study links autoantibodies to long COVID symptomsCEFR A1

31 May 2026

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Adapted from Yale, Futurity • CC BY 4.0

Photo by Shawn Day, Unsplash

Level A1 – Beginner
2 min
79 words
  • A new scientific study looks into long COVID symptoms.
  • Doctors found specific antibodies in blood of some patients.
  • These antibodies attack brain and nerve tissues in patients.
  • They often target areas for pain, memory, and balance.
  • Symptoms include brain fog, dizziness, headaches and fatigue.
  • Researchers purified antibodies and tested them on tissues.
  • When given to healthy mice, the mice developed similar symptoms.
  • The mice showed more pain and balance problems than before.
  • This work could help guide future treatments.

Difficult words

  • antibody — a protein in blood that fights germs
    antibodies
  • symptom — a sign or feeling of an illness
    Symptoms
  • brain fog — a problem making clear thoughts or memory
  • dizziness — a feeling of being unsteady or faint
  • tissue — parts of the body like skin or nerve
    tissues
  • purify — to clean and remove bad substances
    purified

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Have you ever felt dizzy or had brain fog?
  • Do you know someone with long COVID symptoms?

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