Staff at the Centers for Disease Control and Prevention have been told to halt all communication with the World Health Organization.

Experts say the sudden stoppage is a surprise and will set back work on investigating and trying to stop outbreaks of Marburg virus and mpox in Africa.

In this April 15, 2020 file photo, the logo and building of the World Health Organization (WHO) headquarters in Geneva, Switzerland.

A World Health Organization spokesperson declined to comment on the move. The Department of Health and Human Services, which oversees the CDC, did not immediately respond to a request for comment.

U.S. public health officials have been told to stop working with the World Health Organization, effective immediately. The surprise decision is focused on the U.S. Centers for Disease Control and Prevention.

NEW YORK — U.S. public health officials have been told to stop working with the World Health Organization ... the stop-work policy applied to “all CDC staff engaging with WHO through technical ...

The Centers for Disease Control and Prevention received guidance to immediately stop working with the World Health Organization following ... stop to work surprised CDC staff, the Associated ...

Trump's actions could allow harmful viruses like the Marburg virus, which is similar to Ebola, warned former White House Director.

The U.S. also majorly contributes to the WHO's work -- including collaborations with the CDC and NIH on issues ... professor of law and global health at George Washington University and Director of the World Health Organization Collaborating Center on ...

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.

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.