Last year the US had 285 measles cases.
Eight more cases were reported by the South Carolina Department of Public Health today.
Nashville also reported its first measles case in 20 years.
Canada had eliminated measles in 1998, 2 years prior to the United States.
The measles outbreak along the Utah-Arizona border is the nation's second largest this year.
In Israel, 2 vaccinated doctors have contracted the virus after treating an infected child.
Among US adults, 23% say RFK Jr recommends that kids should get the measles vaccine, 29% say he does not recommend it, and 48% aren't sure.
Prior to this year, there had only been 1 confirmed measles case in Utah since 2020.
Cases in adjoining areas of Arizona and Utah climbed by 14, bringing that outbreak to 138 infections.
About 90% of the cases reported in Canada in the past year have been in unvaccinated residents.