Among US adults, 23% say RFK Jr recommends that kids should get the measles vaccine, 29% say he does not recommend it, and 48% aren't sure.
Officials waited more than 3 months after 2 whooping cough deaths to issue a statewide health alert.
The ACIP policymaking maturity rating fell from an overall score of 100% to 58% from April to September this year.
More than twice as many people think the administration's policies have made the country less healthy as those who think they have made the nation healthier.
Combination vaccines exist for a reason: They reduce how many injections children receive and parents' stress.
The group of outside experts will review safety and efficacy data on the childhood immunization schedule for the CDC's Advisory Committee on Immunization Practices.
Only 18% of the more than 1,300 adults polled said they have "a great deal" of trust in the CDC.
A call to develop separate measles, mumps, and rubella vaccines to replace the combined MMR shot is not backed by evidence.
Researchers say the investigational three-strain vaccine produced a strong immune response and was well-tolerated in its first human trial.
The group warns that under Kennedy more childhood vaccines will be in jeopardy.
