I don't know that there is much data specific to the COVID vaccine, but for vaccines in general the overwhelming concern seems to be the (false) perception that

I don't know that there is much data specific to the COVID vaccine, but for vaccines in general the overwhelming concern seems to be the (false) perception that vaccines are not safe: https://www.usnews.com/news/healthiest-communities/articles/2020-01-14/survey-fewer-people-now-support-vaccinating-their-kids-than-in-2001 https://www.usnews.com/news/healthiest-communities/articles/...