A lawyer working with Robert F. Kennedy Jr. has asked the F.D.A. to withdraw approval of the current shot because it hasn't been tested against a placebo. Scientists say such a test would be unethical.
A 2022 legal settlement established requirements to protect the health of minors detained at segments of the southern border. It ends nine days after Donald Trump takes office.
Aaron Siri, who specializes in vaccine lawsuits, has been at Robert F. Kennedy Jr.'s side reviewing candidates for top jobs at the Department of Health and Human Services.
She was among hundreds of women who said they were coerced into sterilization at a California hospital in the 1970s. The lawsuit led to state and national reforms.