Omicron Helped Clarify Pfizer Vaccine Efficacy in Young Kids, Gottlieb Says
By now, the Omicron wave of the coronavirus has crested in much of the United States. But the size of the wave, which broke records for national cases and hospitalizations, has given regulators and scientists an opportunity to better assess vaccine efficacy in children aged 6 months to 4 years old, Dr. Scott Gottlieb, a…