FDA on Thursday (April 1) gave Moderna the greenlight to use a new multi-dose vial for its COVID-19 vaccine that can contain up to 15 doses. The agency also let health care providers know they can now extract up to 11 doses from currently available vials, an increase from the 10-dose limit. The changes will allow more vaccine to get out to communities faster and address administration and production bottlenecks, Moderna and FDA said in separate press announcements. At the...