The U.S. Food and Drug Administration submitted the guidelines to the Office of Management and Budget more than two weeks ago, but they stalled with White House Chief of Staff Mark Meadows, the Times reported, citing people familiar with the approval process.
An administration official told Reuters that the approval process was still pending and denied any Election Day connection.
The FDA is seeking other avenues to ensure that vaccines meet the guidelines, the Times reported.
“A main sticking point has been the recommendation that volunteers who have participated in vaccine clinical trials be followed for about two months after the final dose before any authorization is granted,” the Times reported, citing a senior administration official and others familiar with the situation.