 "Moderna Covid-19 vaccine")
U.S. health regulators are seeking additional coronavirus booster shot data from Moderna Inc., as the Biden administration expects to begin a widespread booster campaign later this month with only the Pfizer Inc.-BioNTech vaccine, people familiar with the matter say.
Moderna announced Friday that it had “completed” its submission of data to the Food and Drug Administration for authorization of boosters. The FDA has been seeking more data as Moderna’s submission rolled in, the people added.
In particular, the FDA is looking for more information on the efficacy of a 100-microgram dose -- the same as the first two shots people
