These ‘vaccine hunters’ are chasing down appointments for people who need them most

As the United States ramps up COVID-19 vaccine production during the largest vaccination campaign in American history, millions of people are still struggling to get vaccine appointments even if they qualify.

So far, nearly 84 million U.S. adults have gotten at least one dose of the coronavirus vaccine, according to the Centers for Disease Control and Prevention. President Joe Biden said there will be enough vaccine doses for every U.S. adult by May 1, but getting people immunized takes more than manufacturing vials of vaccine.

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