US FDA considers approving a second COVID-19 booster shot – WSJ

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US health regulators are looking at authorizing a potential fourth dose of a COVID-19 vaccine in the fall, the Wall Street Journal reported on Saturday, citing sources familiar with the matter.

The Food and Drug Administration has been reviewing data to authorize a second booster dose of the messenger RNA vaccines from Pfizer Inc and partner BioNTech SE and vaccines from Moderna Inc, the report added.

The FDA did not immediately respond to a request for comment. (Reporting by Nishit Jogi in Bengaluru Editing by Matthew Lewis)