This afternoon, the Associated Press is reporting that United States officials have officially ordered all public health officers to cease working at the World Health Organization just days after President Donald Trump signed an executive order pulling the United States out of the World Health Organization.

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.

On his first day back in office, Donald Trump proclaimed that the U.S. would pull out of the World Health Organization, disturbing many. Health officials may have taken solace in the fact it would take at least a year to withdraw,

The World Health Organization is shaped by its members: 194 countries that set health priorities and make agreements about how to share critical data, treatments, and vaccines during international emergencies.