The U.S. Food and Drug Administration (FDA) also authorized vaccinators to extract a maximum of 11 doses from the current vials, instead of the ten previously permitted.

In a statement, Moderna said its vaccine can now can be supplied in vials containing 11 or 15 doses, and it expected to begin shipping 15-dose vials in coming weeks.

“Both of these revisions positively impact the supply of Moderna COVID-19 Vaccine, which will help provide more vaccine doses to communities and allow shots to get into arms more quickly,” Peter Marks, director of FDA’s Center for Biologics Evaluation and Research, said.