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Health Secretary Robert F. Kennedy Jr. announced new initiatives aimed at identifying and treating vaccine-related complications, including establishing a clinic at the NIH to study vaccine injuries. Separately, reports emerged that the CDC has allocated $1.6 million to fund a study examining alleged harms from the hepatitis B vaccine, a move critics have called 'unethical' and scientifically unsound. The initiatives have alarmed public health experts, who worry they could lend credibility to unsubstantiated vaccine-safety claims and undermine confidence in established immunization programs.