Nation Pfizer, BioNTech expected to request FDA authorization to vaccinate children under 5: Latest updates February 1, 2022February 1, 2022 Celina Tebor, USA TODAY Comments Off on Pfizer, BioNTech expected to request FDA authorization to vaccinate children under 5: Latest updates Pfizer and BioNTech to request FDA OK for vaccine for kids under 5. Beijing organizers report a rise in cases linked to the Games. COVID news.