How America’s WHO exit could affect flu shots, outbreaks, and future pandemics

The U.S. is no longer part of the World Health Organization. After the Trump administration declared its intention to pull the country out of the global public health agency one year ago, on Thursday it formally followed through, ending its commitment to the organization after 78 years.

Withdrawing the U.S. from the WHO was one of Trump’s day one priorities. The president signed an executive order on January 20, 2025 declaring that the U.S. would pull out of the organization over its...