RFK Jr. announced a halt to all U.S. funding for the global Gavi vaccine alliance. One expert calls it a "travesty and a nightmare."

U.S. Health Secretary Robert F. Kennedy Jr. says the country is pulling its support from the vaccines alliance Gavi, saying the organization has “ignored the science" and “lost the public trust.” A video of Kennedy’s short speech was shown to a Gavi meeting in Brussels on Wednesday,

U.S. Health Secretary Robert F. Kennedy Jr. said the organization has “ignored the science" and “lost the public trust.”