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A COVID-19 Vaccine Has Come Quick, But Expert Says That's No Reason To Fear It

A flu vaccine is administered at a walk-up COVID-19 testing sit in San Fernando, Calif. A COVID-19 vaccine could soon win emergency use authorization from the FDA. (AFP via Getty Images)
A flu vaccine is administered at a walk-up COVID-19 testing sit in San Fernando, Calif. A COVID-19 vaccine could soon win emergency use authorization from the FDA. (AFP via Getty Images)

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