COVID-19 and Omicron Variant
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Questions and Answers

What is the primary reason why scientists map the genetic material of viruses?

  • To identify the origin of the virus
  • To look for differences between them to see if they have changed (correct)
  • To develop a vaccine for the virus
  • To classify the virus as a variant of concern

What is the characteristic of the Delta variant that sets it apart from earlier strains of the virus?

  • It is responsible for fewer cases and deaths worldwide
  • It spreads more easily than earlier strains of the virus (correct)
  • It is less contagious than earlier strains
  • It is the original variant of SARS-CoV-2

What is the term used to describe the process of a virus making copies of itself, which can lead to changes in its structure?

  • Replication (correct)
  • Sequencing
  • Evolution
  • Mutation

What is the name of the coronavirus that causes COVID-19?

<p>SARS-CoV-2 (D)</p> Signup and view all the answers

What is the difference between a mutation and a variant?

<p>A mutation is a change in the virus, while a variant is the virus with one or more mutations (A)</p> Signup and view all the answers

What is the primary mode of transmission of COVID-19?

<p>Through the respiratory route after an infected person coughs, sneezes, sings, talks, or breathes (B)</p> Signup and view all the answers

What is the estimated percentage of people who develop mild to moderate symptoms after exposure to the virus?

<p>81% (D)</p> Signup and view all the answers

What is the proposed method for differentiating Omicron from Delta using PCR tests?

<p>S-gene dropout or target failure (D)</p> Signup and view all the answers

What is the estimated time period during which symptoms of COVID-19 begin to appear after exposure to the virus?

<p>One to fourteen days (D)</p> Signup and view all the answers

What percentage of people infected with the virus remain asymptomatic and do not develop noticeable symptoms?

<p>At least 30% (D)</p> Signup and view all the answers

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