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Level A1 – BeginnerCEFR A1
2 min
78 words
- Scientists at a university study how the brain reacts.
- They infect a mouse far from the head.
- A virus can move through the body.
- The brain starts to prepare within hours.
- Signals from the infection reach the brain.
- The brain turns on genes that fight the virus.
- Tiny virus parts can trigger the brain response.
- This early change may help later defense.
- A protective signal can make mice survive infection.
- Researchers want new ways to prevent serious illness.
Difficult words
- infect — to give a disease to an animal or person
- virus — a very small germ that makes people sick
- gene — a small part of a cell that carries informationgenes
- signal — a message the body sends between cells or organsSignals
- survive — to stay alive after a danger or illness
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever been sick?
- Did you feel different when you were sick?
- Would you go to a doctor if you felt very ill?
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