Apoorva Mandavilli

The states, all led by Democrats, claim the cuts were intended as retribution and will harm efforts to control H.I.V. and other sexually transmitted infections.

The states, all led by Democrats, used the grants to support a wide variety of functions, including H.I.V. prevention and surveillance.

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines given to pregnant women.

Dr. Kirk Milhoan, a pediatric cardiologist who leads the Advisory Committee on Immunization Practices, said a person’s right to refuse a vaccine outweighed concerns about illness or death from infe...

Comments by Robert F. Kennedy Jr. and his allies suggest the revised schedule may presage an approach to immunization that prizes individual autonomy and downplays scientific expertise.

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the world.

Federal health officials now recommend that children be routinely inoculated against 11 diseases, not 17, citing standards in other wealthy nations.

The shift would mean fewer shots recommended for children. But a Danish health official found the idea baffling, saying the United States was getting “crazier and crazier in public health.”

The vaccines were found to decrease the risk of needing medical care in the first six months after vaccination by 76 percent in children under 4, and by 56 percent in children 5 to 17.

In a step toward Health Secretary Robert F. Kennedy Jr.’s goal of upending vaccine policy, the committee decided to limit at-birth hepatitis B shots to babies whose mothers are infected with the vi...

The federal vaccine panel appointed by Health Secretary Robert F. Kennedy Jr. is likely to decide on Thursday that the shots should be delayed for infants whose mothers test negative for the virus.

Comments by President Trump, Health Secretary Robert F. Kennedy Jr. and some panelists suggest the committee is likely to delay hepatitis B shots and discuss revising the use of other vaccines.

The State Department warned employees not to use government funds for the occasion and to “refrain from publicly promoting World AIDS Day through any communication channels.”