The Food and Drug Administration released detailed data on Tuesday showing Moderna's COVID-19 vaccine is safe and effective for preventing severe cases of the virus in adults.
Why it matters: It clears the way for the emergency authorization of a second coronavirus vaccine in the U.S. as soon as this week, making inoculation available to millions more Americans.
- The review confirmed Moderna’s claim that the vaccine had a 94.1% efficacy rate in a trial of 30,000 people.
- Side effects include fever, headache, fatigue and joint pain.
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