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COVID-19 and Omicron Variant

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Questions and Answers

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

Respiratory route through coughing, sneezing, and breathing (correct)

Vector-borne transmission

Close contact through touch

Contaminated food and water

What percentage of people who develop noticeable symptoms experience mild to moderate symptoms?

50%

81% (correct)

90%

60%

What is the timeframe during which symptoms of COVID-19 typically begin to appear?

One to fourteen days after exposure (correct)

One to seven days after exposure

Three to thirty days after exposure

Two to twenty-one days after exposure

What proportion of infected people remain asymptomatic but can still spread the disease?

At least a third Signup and view all the answers

What type of tests can detect all Omicron subvariants as COVID-19?

Both PCR and rapid tests Signup and view all the answers

What is the primary method used to identify variants of the SARS-CoV-2 virus?

Mapping the genetic material of viruses through sequencing Signup and view all the answers

What is the primary difference between a mutation and a variant of the SARS-CoV-2 virus?

A mutation is a small change in the virus's genetic code, while a variant is a collection of mutations Signup and view all the answers

What is the current dominant variant of the SARS-CoV-2 virus circulating globally?

Delta variant Signup and view all the answers

What is the primary reason why scientists are concerned about the evolution of the SARS-CoV-2 virus?

Because it can make the virus more contagious Signup and view all the answers

What is the name of the city in China where the first case of COVID-19 was identified?

Wuhan Signup and view all the answers