Amid a deluge of executive actions, the Trump administration has directed federal health agencies to pause external communications, such as regular scientific reports, updates to websites and health advisories,

The Centers for Disease Control and Prevention is going dark, along with other federal agencies within the umbrella of the U.S. Department of Health and Human Services. This week, the returning Trump administration told these agencies to stop talking to the public—for how long, no one knows.

The Trump Administration has frozen many federal health agencies’ communications with the public until at least the end of the month.