Moderna Says Lower-Dose Booster Could Bolster Global Vaccine Supply

In briefing documents posted ahead of FDA’s Oct. 14 vaccine advisory committee meeting, Moderna says a third shot, or booster dose, of its COVID-19 vaccine should be authorized at a dosage lower than that of the company’s primary two-dose regimen so as not to hamper global vaccination efforts. Moderna’s vaccine is currently administered as two 100-microgram doses, but rather than administering a third 100-microgram shot as a booster, the company wants FDA to authorize a 50-microgram booster dose to be...