Trump has frozen all travel and communications at the Department of Health and Human Services, including the CDC and the National Institutes of Health

Meetings designed to distribute grant money to fund research were canceled as part of a communications freeze at health agencies.

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 ordered an immediate pause on public communications from federal health agencies like the CDC, FDA, and NIH. The U.S. Department of Health and Human Services (HHS) says it expects the pause to be temporary.

The Trump Administration has placed a communications embargo on critical health agencies, including HHS, FDA, and CDC, suspending updates on data, publications, and health advisories. Concerns over censorship,

Federal health officials have been instructed to temporarily stop any “external communications” to the public, according to two officials with knowledge of the situation.

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

A new memo by NIH Acting Director Matthew Memoli, obtained by Forbes, clarifies what can and can’t be done with regard to clinical trials, purchasing, research and the like.

Despite concerns about the future of research at the National Institutes of Health, current clinical trials can continue as scheduled, the agency’s acting director told staff scientists in an email Monday.