Nation When will the Pfizer-BioNTech COVID-19 vaccine be ready for kids? Your questions answered. September 21, 2021 Adrianna Rodriguez, USA TODAY Comments Off on When will the Pfizer-BioNTech COVID-19 vaccine be ready for kids? Your questions answered. Here's everything to know about the COVID-19 vaccine in young children, what to expect and what this could mean for daily life in the U.S.