The US Department of Health and Human Services called off an upcoming meeting of expert advisers on preventive health care, raising questions about the future of the longtime nonpolitical advisory group.

An HHS spokesperson confirmed to CNN that the US Preventive Services Task Force — which has set recommendations for cancer screenings, STI testing and other preventive care — will not meet Thursday, as previously scheduled.

A notice sent Monday afternoon said the office of HHS Secretary Robert F. Kennedy Jr. is postponing the July meeting, according to a person familiar with the details who declined to be named because they weren’t authorized to discuss the meeting publicly.

“Moving forward, HHS looks forward to engaging with the task force to promote the health and well-being of the American people,” the notice said.

But the cancellation arrives amid Kennedy’s push to reshape the health agencies and expunge them of what he has called longtime health-care industry influence on policies. Last month, he dismissed the 17-member vaccine advisory committee for the US Centers for Disease Control and Prevention and, two days later, named eight new picks. Several of the new members of the Advisory Committee on Immunization Practices have questioned vaccine safety; two have testified in court against vaccine manufacturers.

“There is extraordinary concern” among those connected to the US Preventive Services Task Force “that it’s about to be dismissed, like ACIP was,” the person familiar with the meeting said.