These 3 Covid-19 vaccines have been in the news. Here's what you need to know about them
Published
Aug 10 2020 at 7:17 PM GMT
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- The US government is pouring billions into Covid-19 vaccines, and candidates from three companies are moving along quickly: Moderna, Pfizer and Novavax.
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- Published Aug 10, 2020 7:17 PM GMT