President Donald Trump signed an executive order this week that seeks to dramatically reshape vaccine policy in the United States, including a change that contradicts one of his other stated goals: to give children fewer shots.

Trump order to space out childhood vaccines alarms health experts, who warn it could raise disease risks despite decades of evidence vaccines are safe.

US President Donald Trump on Monday signed an executive order calling for revamped childhood vaccine recommendations that promote his long-held but discredited theory that…