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More COVID vaccines in pipeline as effort ramps up
Study of more options ongoing
vaccine
Boxes containing the Moderna COVID-19 vaccine are moved to the loading dock for shipping at the McKesson distribution center in Olive Branch, Miss., Sunday, Dec. 20, 2020. - photo by Associated Press
A huge U.S. study of another COVID-19 vaccine candidate got underway Monday as states continue to roll out scarce supplies of the first shots to a nation anxiously awaiting relief from the catastrophic outbreak.
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