Safety and effectiveness of childhood vaccines 2014

This survey, conducted in the United States in March 2014, shows the Americans' opinion regarding the safety and effectiveness of childhood vaccines. 20 percent of respondents stated they were extremely confident that childhood vaccines are safe and effective.

How confident are you that the following is correct: Childhood vaccines are safe and effective?

Share of respondents
Extremely confident20%
Very confident33%
Somewhat confident30%
Not too confident11%
Not at all confident4%
Refused/Not answered3%
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Release date

April 2014


United States

Survey time period

March 20-24, 2014

Number of respondents

1,012 respondents

Age group

18 years and older

Method of interview

Online panel

Supplementary notes

The source worded the question as follows:
"On the next few screens, you’ll see a series of statements about science and medicine. For each of them, please indicate how confident you are that the statement is correct."

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Statistics on "Vaccinations in the U.S."

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