Lawyers for the agency's chief, Susan Monarez, insist that the impasse with Health Secretary Robert F. Kennedy Jr. can only be resolved by President Trump.
The agency's fall recommendations underscore the goals of Health Secretary Robert F. Kennedy Jr. to limit access to the vaccines, which he has long opposed.
San Francisco, Philadelphia and others are retreating from "harm reduction" strategies that have helped reduce deaths but which critics, including Trump, say have contributed to pervasive public drug use.