More than half of American adults have now had at least one shot of a COVID-19 vaccine, but around 20% say they are still reluctant to to get the vaccine. To persuade the hesitant, health officials are turning to influencers on TikTok, Instagram and Twitter, and partnering with social media like never before to message younger, more diverse audiences and hard-to-reach communities. Well talk about vaccine influencers, what explains the high rates of vaccine hesitancy and the science of changing peoples' minds.
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