Pfizer Says Booster Strengthens Immune Response for Children 5 to 11 April 14, 2022 Auto Bot BioNTech SE, Children and Childhood, Coronavirus (2019-nCoV), Coronavirus Omicron Variant, Food and Drug Administration, Pfizer Inc, Vaccination and Immunization 0 Pfizer and BioNTech will soon ask the Food and Drug Administration for emergency authorization of Covid booster doses for that age group, the companies said.