The Trump administrationps88, moving quickly to clamp down on health and science agencies, has canceled a string of scientific meetings and instructed federal health officials to refrain from all public communications, including upcoming reports focused on the nation’s escalating bird flu crisis.

Experts who serve on outside advisory panels on a range of topics, from antibiotic resistance to deafness, received emails on Wednesday telling them their meetings had been canceled.

The cancellations followed a directive issued on Tuesday by the acting director of the federal Department of Health and Human Services, who prohibited the release of any public communication until it had been reviewed by a presidential appointee or designee, according to federal officials and an internal memo reviewed by The New York Times.

The directive enjoins the release of “regulations, guidance documents, and other public documents and communications,” including any “notice,phl63 casino” “grant announcement,” news releases, speaking engagements or official correspondence with public officials, until they have received approval.

“What he said or didn’t say is between him and the people of North Carolina,” said Mr. Vance, former President Donald J. Trump’s running mate. He added: “I’ve seen some of the statements. I haven’t seen them all. Some of them are pretty gross, to put it mildly. Mark Robinson says that those statements are false, that he didn’t actually speak them. So I think it’s up to Mark Robinson to make his case to the people of North Carolina that those weren’t his statements.”

Disciplinary proceedings against Dr. Wax tested the tenure protections of professors and whether such protections allow them to voice opinions that many might find inappropriate or downright insulting. Many students said that they could not trust Dr. Wax to grade students without bias. But many professors — even those who found her comments profoundly racist — objected to disciplining her on the grounds of academic freedom.

The new stricture applies to messages to email groups and to social media posts, and included a ban on announcements to The Federal Register, without which many official processes cannot continue. Some notices sent by the Biden administration in its final week were quickly withdrawn.

The cancellations and communications crackdown sent a chill through employees of the Centers for Disease Control and Prevention and the broader scientific community. The directive was first reported by The Washington Post.

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