World Health Organization chief says agency already cutting back on hiring and travel with Trump withdrawal set to hit funding.

President Donald Trump's first week in office came with big changes to U.S. health agencies, including the pausing of all external communications and banning travel.

Public health experts say U.S. withdrawal from the W.H.O. would undermine the nation’s standing as a global health leader and make it harder to fight the next pandemic.

Ooh, that’s a big one,” Donald Trump said Monday as he signed an executive order – one of dozens during his first hours as president – to withdraw the United States from the World Health Organization.

President Donald Trump signed an executive order that would begin the process of removing the U.S. from the World Health Organization. Here's why.

The WHO is an agency of the United Nations tasked with coordinating responses to public health emergencies between nations. The United States is a founding member of the organization, which was set up in 1948 in the wake of World War II.

President Donald Trump announced Monday he is withdrawing the US from the World Health Organization, a significant move on his first day back in the White House cutting ties with the United Nations’ public health agency and drawing criticism from public health experts.

The U.S. has traditionally been the most generous benefactor of the WHO. A Trump executive order to cut ties with the WHO could pose a threat to global public health.

President Donald Trump has used one of the flurry of executive actions that he issued on his first day back in the White House to begin the process of withdrawing the U.S. from the World Health Organi

As he signed an executive order, President Donald Trump said that the World Health Organization had "ripped us off."

One of President Trump’s first executive orders removes the U.S. from the global health organization, which experts say is “cataclysmic.”