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Mix-and-Match COVID Vaccines: The Case Is Growing, but Questions Remain
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Mix-and-Match COVID Vaccines: The Case Is Growing, but Questions Remain

By Dyani Lewis, Nature magazine on July 9, 2021 Empty vials of vaccines by Pfizer-BioNTech and AstraZeneca against Covid-19 caused by the novel coronavirus are pictured at the vaccination center in Rosenheim, southern Germany, on April 20, 2021. Credit: Christoph Stache Getty Images Mixing COVID-19 vaccines is emerging as a good way to get people the protection they need when faced...