Millions of people across the U.S. and worldwide have been diagnosed with COVID-19 since the novel coronavirus was first detected in China in late 2019. Hundreds of thousands of people have died of the viral infection.

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The Associated Press contributed to this report.

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Photos: First Americans vaccinated against COVID-19 receive second dose Registered Nurse (RN) Sandra Lindsay receives a second dose of the Pfizer-BioNTech COVID-19 vaccine at Long Island Jewish Medical Center in the Queens borough of New York, U.S., on Monday, Jan. 4, 2021. (Shannon Stapleton/Reuters/Bloomberg via Getty Images)

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