WASHINGTON, DC - AUGUST 10: U.S. President Donald Trump (R), accompanied by National Institutes of Health Director Jay Bhattacharya (L), and Jayme Leagh Franklin (2nd-L), spesks before signing an executive order calling for childhood vaccine shots to be spaced out into separate visits during an event in the Oval Office of the White House on August 10, 2026 in Washington, DC. During his second term, Trump has urged Health and Human Services Secretary Robert F. Kennedy Jr. to investigate further research on vaccines. (Photo by Anna Moneymaker/Getty Images)