Kennedy’s HHS Sent Congress ‘Junk Science’ To Defend Vaccine Changes, Experts Say A look inside the Department of Health and Human Services document citing vaccine misinformation that could influence congressional perceptions. Previous article: CDC Staffing Upheaval Disrupts HIV Projects and Wastes Money, Researchers Say Prev Next article: KFF Health News' 'What the Health?': RFK Jr. Upends Vaccine Policy, After Promising He Wouldn’t Next