RFK Jr. ally petitioned FDA to revoke polio vaccine AxiosKennedy’s lawyer has asked the FDA to revoke its approval of the polio vaccine CNNMcConnell Defends Polio Vaccine, an Apparent Warning to RFK Jr. The New York TimesMitch McConnell warns RFK Jr. against effort to undermine polio vaccines CBS NewsColumn | When depicting the government as bad is more important than stopping polio The Washington Post