So far, the rollout of COVID-19 vaccines in the United States has been a success. There have been 286 million doses administered, enough to cover about 45% of the population. Nearly 50% of the population — and over 60% of adults — have received at least one dose. The number of daily new cases has plummeted from a peak of about 750 per million people in early January, near the start of the vaccine rollout, to just 76 per million people today.
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