Staff at the U.S. Centers for Disease Control and Prevention have been told to stop communication with the World Health Organization.

U.S. public health officials have been told to stop working with the World Health Organization, effective immediately.

The memo comes after Trump, in addition to dozens of other executive orders, pulled the U.S out of the WHO last week.

U.S. public health officials have been told to stop working with the World Health Organization, effective immediately.A U.S. Centers for Disease Control and Prevention official, John Nkengasong ...