Children in these U.S. ‘hot spots’ — including 2 Utah cities — are at higher risk because parents opt out of vaccinations

(Al Hartmann | Tribune file photo) Alexis Herrera, 11, remains tough as he gets an immunization shot for school at the Junior League CARE Fair in the Horizonte Center in Salt Lake City July 15, 2017. In a recently released report, researchers found that Salt Lake City and Provo are among nationwide hot spots where parents opt out of vaccinations, which can put children at a higher risk for epidemics.