Nation Pfizer COVID-19 vaccine won’t be ready for youngest kids for months: Latest updates January 7, 2022Celina Tebor, Claire Thornton and Karen Weintraub, USA TODAYComments Off on Pfizer COVID-19 vaccine won’t be ready for youngest kids for months: Latest updates Children younger than 5 may have to wait until spring to get a Pfizer shot. The Mayor Clinic fires workers who missed deadline. More COVID-19 updates.