Vaccines are one of the greatest public health successes of modern medicine. From smallpox to polio to measles, vaccines have saved millions of lives, protected entire generations from disability and death, and fortified our communities against the spread of infectious disease. But this foundation of disease prevention is now under attack.

RFK Jr.’s vaccine-safety investigator has previously used government vaccine data to publish research with glaring flaws.

Kennedy Jr., the nation’s health secretary, sparked fierce criticism earlier this year when he pledged to determine what causes autism by September — a deadline deemed wildly unrealistic by many longtime researchers.

The new members of US Health Secretary Robert F Kennedy Jr's panel of vaccine advisers will review long-approved immunisation schedules for children and teens. The seven members of the Advisory Committee on Immunization Practices (Acip) met for the first time on Wednesday, weeks after Kennedy ousted all 17 of their predecessors.

When RFK Jr. announced he would cut funds from Gavi, the Vaccine Alliance, he cited "vaccine safety," referring to a 2017 study from Guinea-Bissau. We asked vaccine researchers to assess the study.

The HHS under Robert F. Kennedy Jr. has taken unprecedented steps to change how vaccines are evaluated, approved and recommended. That's despite his saying during his Senate confirmation hearings ...