Dr. Leana Wen worries that America is not going to get to herd immunity, and says, 'we need to address concerns of people who change their minds' and show people what a return to normal looks like.
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The US needs to vaccinate tens of millions more Americans to have a chance at suppressing the spread of coronavirus -- but in parts of the country, vaccinations are slowing and demand has dropped.
President Joe Biden is setting a new vaccination goal to deliver at least one dose to 70% of adult Americans by July 4. The goal also includes fully vaccinating 160 million adults by then.