How Robert F. Kennedy Jr.’s Vaccine Agenda Risks a Resurgence of Deadly Childhood Plagues by Patricia Callahan March 19, 2026, 6:00 am

How Robert F. Kennedy Jr.’s Vaccine Agenda Risks a Resurgence of Deadly Childhood Plagues by Patricia Callahan March 19, 2026, 6:00 am https://www.propublica.org/article/rfk-jr-vaccine-agenda-childhood-plagues Reporting Highlights Sowing Doubt, Risking Supply: Health Secretary Robert F. Kennedy Jr. is spreading doubts about the safety of vaccines and considering changes that could prompt manufacturers to flee the U.S. market. Plagues of the Past: History has shown how vaccine-preventable diseases can roar back when trust in shots or access to them have faltered. Dangers Abroad: As the U.S. pulls international aid, deadly and disabling diseases like diphtheria, rubella and polio continue to harm people overseas and can easily reach the U.S.