https://www.reuters.com/world/us/us-fda-clears-moderna-jj-boosters-backs-mix-and-match-strategy-2021-10-20/
The U.S. Food and Drug Administration on Wednesday authorized booster doses of the COVID-19 vaccines from Moderna Inc <a href="https://www.reuters.com/companies/MRNA.O" target="_blank">(MRNA.O)</a> and Johnson & Johnson <a href="https://www.reuters.com/compan…
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