A new Gallup poll reveals a decline in the percentage of Americans who think childhood vaccinations are important.
Widespread public support for childhood vaccines creates a wall preventing contagious diseases like measles and polio from spreading in the U.S., but a breach in that wall appeared in 2015 and it has not been repaired. A recent Gallup survey finds 84% of Americans saying it is extremely or very important that parents vaccinate their children. That matches Gallup's prior reading in 2015 but is down from 94% in 2001.
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