Overall, 63% of Americans say they are extremely or very confident that routine childhood vaccines are effective at preventing serious illness.
Today the South Carolina Department of Health reported 5 new cases in Spartanburg County.
Increased early vaccination began in February, perhaps due to clinician and/or parental concern, the authors say.
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.
