CNN Erin Burnett OutFront December 31, 2021 00:10:00
Dose that was chosen was of course to try to find a dose that is very efficacious but minimizes side effects. that smaller dose worked fine in the children that were under 2. it's the 2 to 5 group we think may need an additional dose. that is being studied and that is the reason for the delay. there is not a delay because the study hasn't been done or because there are any problems with the vaccine. i think the cdc and fda will be looking at all the data accumulating now about the rate of hospitalization in these younger kids and making decisions about the timelines for these additional studie...