📖+10 XP
🎧+10 XP
✅+15 XP
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?
Related articles
20 Dec 2025
15 Jun 2026
26 Jan 2026
9 Mar 2022
15 Nov 2025
When Basic Needs Fail: How Local Shocks Become Wider Emergencies
From close experience in Turkey, the author shows how shortages in food, health and services turn into medical and social crises. Simple support like school meals, cash and cross‑city cooperation can reduce risks and costs.