The latest CDC data shows more than 38 million people in the U.S. have gotten one or more doses of the COVID-19 vaccine.
However, new research shows some people still want to wait to get their shot.
According to the Kaiser Family Foundation, 31% of the public say they plan to wait to see how the vaccine is working for other people before getting the shot.
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Health experts say that without more taking the shot it will be tough to reach herd immunity.
About 60% of those surveyed say they'd be more likely to get vaccinated if it was the quickest way for life to return to normal.
