Health secretary RFK Jr. declares certain vaccines have ‘never worked,’ flummoxing scientists
Health secretary Robert F. Kennedy Jr. has expressed another unorthodox view on vaccines, declaring that single antigen vaccines, used to prevent Covid and other conditions, do not work.

Health secretary Robert F. Kennedy Jr. has expressed another unorthodox view on vaccines, with the long-time vaccine critic declaring that vaccines for respiratory bugs that target a sole part of the pathogen they are meant to protect against do not work.
The claim was dismissed as erroneous by vaccine experts, who were befuddled by the secretary’s theory, espoused during an interview with CBS News.