WEBModerna COVID-19 Vaccine . At-A-Glance. Guidance below summarizes basic storage, preparation, scheduling, administration, and dosage for all 2023–24 Moderna COVID-19 Vaccine products. Distributed in: Ages: 6 months through 11 years Single-dose vial: . Dark blue cap and green label. Ages: 12 years and older Single-dose vial: .