Agency officials were not aware that the HHS secretary was going to change the recommended vaccine schedule.Health and Human Services Secretary Robert F. Kennedy Jr.’s surprise announcement Tuesday ending coronavirus vaccine recommendations for healthy children and pregnant women blindsided the agency that offers that advice, according to current and former federal health officials.Officials at the Centers for Disease Control and Prevention are scrambling to understand Kennedy’s decision, announced in a 58-second video on X on Tuesday Five hours later, CDC officials received a one-page “secretarial directive,” dated May 19 and signed by Kennedy, that contradicts some of what he said...