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How have vaccines impacted health? A: Vaccines have only made a little progress at preventing most diseases. B: Vaccines are effective on some people but not others. C: Large numbers of people have had
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1 vote
How have vaccines impacted health?

A: Vaccines have only made a little progress at preventing most diseases.
B: Vaccines are effective on some people but not others.
C: Large numbers of people have had allergic reactions to vaccines
D: Some diseases have almost completely disappeared



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User Alextc
by
2.9k points

2 Answers

2 votes
B. Or D. Would be your answer. The reason why I would say B. Is because people have different immune systems which makes your body reject the vaccine contents. But on the other hand for D. Is that it they have made a lot of pretty bad sicknesses almost disappear such as chicken pox.
User Pete Lunenfeld
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3.5k points
4 votes

Answer:

D some disease have almost completely disappeared

User Pull
by
3.2k points
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