were disappointing. the studies show that for kids between 2 and 5 come of the two dose regimen did not provide the needed protection against symptomatic covid-19. so while the fda is likely to approve two shots for young children beginning as early as march, the ceo of pfizer has already said a third shot will be necessary and now the fda is saying come according here we want to set the record straight on the reason pfizer covid-19 vaccine for children six months to four years. nothing has changed about a process for evaluating covid-19 vaccines and we are not changing our rigorous scientific standards, except maybe it is why cnn's medical analyst and former planned parenthood doctor is now hesitant. watch. >> i am ambivalent right now which is not something i ever thought i would say about vaccines for under 5-year-olds. i am the mom of two little kids