Pfizer Vaccine Effective in Children Under 5, the F.D.A. Says June 13, 2022 Auto Bot BioNTech SE, Coronavirus (2019-nCoV), Food and Drug Administration, Moderna Inc, Pfizer Inc, Vaccination and Immunization 0 Outside experts will make their recommendations this week on how the agency should rule on applications from Pfizer and Moderna to vaccinate the nation’s youngest children.