Posted in Web Spikevax and Moderna COVID-19 Vaccine | FDA June 15, 2022 Moderna COVID-19 Vaccine is authorized for emergency use as a: Two-dose primary series for individuals 18 years of age and older; Third primary series dose for individuals 18 years of age and … https://www.fda.gov/emergency-preparedness-and-response/coronavirus-disease-2019-covid-19/spikevax-and-moderna-covid-19-vaccine