IF IT’S NOT WILLING TO DO SO, CAN YOU CALL PEOPLE WHO ARE HESITANT UNSCIENTIFIC? Jeffrey Singer: If the FDA is serious about vaccine hesitancy, it should fully approve vaccines now. “A recent Kaiser Family Foundation survey suggests 30 percent of the vaccine hesitant, concerned they are taking an ‘experimental’ drug, are waiting for the Food and Drug Administration (FDA) to formally approve the vaccine. What is the FDA waiting for?”