She now covers breaking and trending news for CBS News' HealthWatch. The United States has recorded 1,288 measles cases so far this year, the highest total in 33 years, according to Centers for ...

Pediatricians say their key concern is that after Robert Kennedy Jr. fired the government’s top vaccine experts and appointed replacements, the U.S. may ultimately stop calling for the vaccines' use.

Measles, one of the world’s most contagious diseases, was declared eliminated in the US in 2000, due to widespread use of the measles-mumps-rubella vaccine.