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Level A1 – BeginnerCEFR A1
2 min
75 words
- COVID-19 can cause lasting changes in the body.
- Scientists used mice to study both infections closely.
- The lungs showed signs of lasting injury after infection.
- More collagen formed and scarring changed lung tissue.
- Breathing problems can continue after infection ends.
- Flu lungs began to repair the airway lining.
- COVID-19 lungs did not show that repair response.
- Some mice had ongoing inflammation in the brain.
- These brain changes can affect mood, thinking and energy.
Difficult words
- lasting — continuing for a long time after an event
- infection — disease caused by a germ in the bodyinfections
- scarring — hard or thick tissue after injury
- collagen — a protein in the body that makes tissue strong
- inflammation — body response causing redness and swelling
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you had breathing problems after an illness?
- Do you feel tired after being sick?
- Would you see a doctor for long symptoms?
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