
Covid-19 Vaccine Efficacy and Decisions

Interactive Video
•
Biology
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did the mayor of Detroit initially reject the Johnson & Johnson vaccine?
He believed it was too expensive.
He thought it was less effective than Moderna and Pfizer.
He was concerned about side effects.
He wanted to wait for more data.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a vaccine's efficacy rate determined?
By the number of doses administered.
By comparing infection rates in vaccinated and placebo groups.
By the speed of vaccine distribution.
By the cost of the vaccine.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the efficacy rate of the Pfizer/BioNTech vaccine in its trial?
66%
80%
95%
100%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might the efficacy rates of vaccines differ across trials?
Different trial locations and timings.
The age of participants.
The number of participants.
The brand of the vaccine.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was a significant factor in the Johnson & Johnson trial?
It was conducted only in the US.
It was conducted during a period of low infection rates.
It included trials in countries with high infection rates and variants.
It had fewer participants than other trials.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of Covid-19 vaccines according to experts?
To reduce severe disease, hospitalization, and death.
To prevent any infection at all.
To completely eradicate Covid-19.
To make the virus more contagious.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What outcome did all Covid-19 vaccines achieve in trials?
100% effectiveness in preventing the spread of the virus.
100% effectiveness in preventing mild symptoms.
100% effectiveness in preventing death from Covid-19.
100% prevention of any Covid-19 infection.
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