Thinking in English 75. What is a Covid-19 Variant? (English Vocabulary Lesson)
In this episode of Thinking in English, I want to talk about Covid variants. What is a variant? Why are there so many variants right now? Are these more dangerous? Do the treatments still work? Let's discuss these questions in this episode!
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To contract (v) - to catch or become ill with a disease
He contracted malaria while he was travelling
To acquire (v) - to get or buy something
He acquired that company in 2008
Variant (n) - something that is slightly different from other similar things
There are four variants of malaria, all transmitted to humans by mosquitoes
To mutate (v) - to develop new physical characteristics because of a permanent change in genes. These changes can happen naturally or can be produced by the use of chemicals or radiation
These bacteria have mutated into forms that are resistant to drugs
Mutation (n) - A permanent change in a living thing (like in an animal, plant, or bacteria)
These plants carry the mutation for red flowers
Immunity (n) - a situation in which you are protected against disease
The vaccination gives you immunity against the disease for up to six months
Transmissible (adj) - (of diseases) able to passed from one person or animal to another
To start a pandemic, the virus will have to be highly transmissible between humans
Booster (n) - a drug or vaccine given to increase the effect of a previous vaccine and it helps to continue to protect a person from illness
He has his polio booster last week
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