Covid Variants a Reminder That Pandemic Is Global: Johns Hopkins

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Business, Health Sciences, Biology
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major concern if the virus is allowed to replicate unchecked?
It will become more visible to the immune system.
It will stop spreading.
It will become less contagious.
It may mutate and evade vaccine-induced immunity.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the efficacy of the Novavax vaccine in the UK study?
50%
90% or more
80% or more
60%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the South African variant particularly concerning to scientists?
It spreads faster in colder climates.
It is less sensitive to the vaccine.
It causes more severe symptoms.
It is more contagious than other variants.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the mutation rate of coronavirus compare to that of influenza?
Coronavirus mutates slower than influenza.
Coronavirus mutates faster than influenza.
Coronavirus does not mutate.
Coronavirus mutates at the same rate as influenza.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the hope regarding the need for annual vaccine updates?
That they will be needed every two years.
That they will be necessary every year.
That they will not be needed annually.
That they will be needed every six months.
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