Calls for Health Secretary Robert F. Kennedy Jr.’s resignation are growing after two unvaccinated people died from measles in Lancaster County, Pennsylvania. There have been 393 confirmed measles cases in 28 counties in Pennsylvania this year, and 2,777 total cases nationally—a 35-year high.

These are the first measles deaths in the United States this year, and in Pennsylvania in more than three decades.

“RFK Jr.’s lies and conspiracy theories are making Marylanders sick,” Democratic Maryland Senator Angela Alsobrooks wrote Tuesday on X. “RFK Jr. must resign or be fired. Vaccines are safe and effective. Listen to your pediatrician.”

“Measles is officially out of control. How many more people need to die before there is a nationwide call for RFK Jr. to resign?” said Shaughnessy Naughton, president of the pro-science organizing group 3.14 Action. “His anti-science, anti-vaccine policies are killing people and infecting a generation of Americans with dangerous vaccine skepticism that will take years to recover from.”

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