Dr. Collins discusses full FDA approval of the Pfizer COVID-19 vaccine, vaccine safety for children On CNBC’s Squawk Box podcast Dr. Collins explains what the full FDA approval of the Pfizer COVID-19 vaccine might mean for vaccine hesitancy across the country and answers questions about vaccine safety for children, as young people prepare to return to school amid an uptick in cases of the Delta variant. OD 2021-08-23T00:00:00Z The NIH Director