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  • Katia Hetter
    Senior Editor, CNN Science and Wellness

    Senior Editor Katia Hetter oversees the CNN Digital Science and Wellness team.

    Full Bio

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  • NEW YORK, NEW YORK - APRIL 07: Zenobia Brown, MD, of the Northwell Health house calls program prepares a dose of the Johnson & Johnson coronavirus (COVID-19) vaccine in the Astoria neighborhood of Queens borough on April 07, 2021 in New York City. NYC continues to have a 6.55 percent coronavirus (COVID-19) cases on a seven-day rolling average as the city continues to ramp up vaccinations. The city last week set a record of 524,520 coronavirus (COVID-19) vaccinations. (Photo by Michael M. Santiago/Getty Images)

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