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Until now only injectable vaccines against influenza have

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Until now only injectable vaccines against influenza have [#permalink] New post 01 Mar 2013, 12:46
00:00
A
B
C
D
E

Difficulty:

  25% (low)

Question Stats:

62% (01:50) correct 37% (00:58) wrong based on 80 sessions
Until now only injectable vaccines against influenza have been available. They have been primarily used by older adults who are at risk for complications from influenza. A new vaccine administered in a nasal spray form has proven effective in preventing influenza in children. Since children are significantly more likely than adults to contract and spread influenza, making the new vaccine widely available for children will greatly reduce the spread of influenza across the population.

Which of the following, if true, most strengthens the argument ?

A. If a person receives both the nasal spray and the injectable vaccine, they do not interfere with each other.
B. The new vaccine uses the same mechanism to ward off influenza as injectable vaccines do.
C. Government subsidies have kept the injectable vaccines affordable for adults.
D. Of the older adults who contract influenza, relatively few contract it from children with influenza.
E. Many parents would be more inclined to have their children vaccinated against influenza if it did not involve an injection.
[Reveal] Spoiler: OA

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Re: Until now only injectable vaccines against influenza have be [#permalink] New post 01 Mar 2013, 12:47
Could anyone kindly explains why the OA is E and not D ?
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Re: Until now only injectable vaccines against influenza have be [#permalink] New post 01 Mar 2013, 13:19
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Rock750 wrote:
Until now only injectable vaccines against influenza have been available. They have been primarily used by older adults who are at risk for complications from influenza. A new vaccine administered in a nasal spray form has proven effective in preventing influenza in children. Since children are significantly more likely than adults to contract and spread influenza, making the new vaccine widely available for children will greatly reduce the spread of influenza across the population.

Which of the following, if true, most strengthens the argument ?

A. If a person receives both the nasal spray and the injectable vaccine, they do not interfere with each other.
B. The new vaccine uses the same mechanism to ward off influenza as injectable vaccines do.
C. Government subsidies have kept the injectable vaccines affordable for adults.
D. Of the older adults who contract influenza, relatively few contract it from children with influenza.
E. Many parents would be more inclined to have their children vaccinated against influenza if it did not involve an injection.



Hi Rock750,

Conclusion: making the new vaccine widely available for children will greatly reduce the spread of influenza across the population.

D. Of the older adults who contract influenza, relatively few contract it from children with influenza.

This choice will have no effect on the conclusion. If we make the vaccine widely available then it will not reduce the spread of influenza across the population because, as per D, older adults do not contract influenza from children. Making the new vaccine widely available does not imply that the children will be willing to take the vaccine

E. Many parents would be more inclined to have their children vaccinated against influenza if it did not involve an injection.

This choice does in face strengthens the conclusion. If parents are more inclined to have their children vaccinated then a larger number of children will be protected from influenza, thus, making the vaccine widely available will reduce the spread of influenza.

This answer choice takes its form from an assumption that is required for the conclusion to be true.

Assumption: Children will be willing (or parents inclined) to take the the influenza medicine in the newly administrated form. Negating this will make the conclusion to fall apart.


Hope this helps,

Vercules
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Re: Until now only injectable vaccines against influenza have be [#permalink] New post 01 Mar 2013, 13:22
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Moreover, do not strengthen only the conclusion but the latter related to the argument

A new vaccine administered in a nasal spray form has proven effective in preventing influenza in children.

So E helps to understand why we can prevent the spread of influenza
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Re: Until now only injectable vaccines against influenza have be   [#permalink] 01 Mar 2013, 13:22
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