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

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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.

Heidi Larson, the director of the Vaccine Confidence Project, has travelled the world studying vaccine misinformation. Simply put, she says, a bad vaccine is "not in anyone's interest."

(Image credit: Robyn Beck /AFP via Getty Images)