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.
An outbreak centered largely in twin towns on the Arizona-Utah border has now reached 124 measles cases.
So far there have been 277 confirmed cases and 22 deaths in Senegal's Rift Valley fever outbreak.
The total represents the most US infections since 1992.
The patient had a recent history of international travel.
South Carolina officials say all new case-patients were in quarantine before they contracted the disease.
Last year Minnesota reported 70 measles cases, but 0 in 2023.