Health secretary Robert F. Kennedy Jr.’s efforts to contain measles outbreaks around the country have drawn criticism from a ...

RFK Jr. claims the measles vaccine effectiveness wanes at a rate of nearly 5% a year, an assertion medical experts dispute.

The Advisory Committee on Immunization Practices also plans to discuss the ongoing US measles outbreak that has infected over 700 people this year, mostly among unvaccinated people in Texas and New Me ...