NEW: Fauci told me he thinks #Covid #vaccines could be authorized for kids as young as 1st graders by September, presuming trials go well.

I looked into it, and everything hangs on Pfizer. Here's all the info I've managed to find on kids & vaccines. https://t.co/MeYMiLgMtS

— Caroline Chen (@CarolineYLChen) February 11, 2021