The US Food and Drug Administration (FDA) is leaning toward authorizing half-dose booster shots of the Moderna Inc COVID-19 vaccine, Bloomberg News on Tuesday, citing people familiar with the matter.
The FDA had been seeking information about the effectiveness of a full third dose of the Moderna vaccine, but is now ready to move forward and consider the half-dose booster Moderna has proposed, the report said.
Moderna and the FDA did not immediately respond to Reuters request for comment outside regular business hours.
Moderna on Sept. 1 submitted its application to the US Food and Drug Administration seeking authorization for a booster shot.
US CDC backs COVID-19 boosters for high-risk adults, workers, older Americans
The original Moderna vaccine contains 100-micrograms of mRNA in each shot. The company's submission to regulators to authorize a half-dose booster would allow Moderna to produce more.
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