The preservative thimerosal started Robert F. Kennedy Jr. down the path of questioning vaccine safety. A panel of experts he appointed will no longer recommend annual flu shots that contain it.

Health Secretary Robert F. Kennedy says he cannot walk down the street without mothers swarming him to thank him for the work he has done in questioning the quality of the food supply and the efficacy of vaccines.

On Wednesday, RFK Jr announced the US would stop funding the global vaccine alliance, Gavi, because he claimed that “when the science was inconvenient today, Gavi ignored the science”. RFK Jr questioned the safety of COVID vaccines for pregnant women, as well as the diphtheria, tetanus and pertussis vaccine.

For decades, one of the world’s most contagious diseases was considered eradicated in the U.S. But now measles is roaring back.

As Health Secretary Robert F. Kennedy Jr. continues to overhaul the CDC and FDA, here are the vaccine schedules that experts recommend.