Ohio's top health official declared a measles outbreak on Thursday after four unvaccinated people across two northeast Ohio counties tested positive, the state's third outbreak in seven months.
Ohio Department of Health Director Bruce Vanderhoff confirmed three cases in Ashtabula County, northeast of Cleveland, and one in Tuscarawas County, south of Canton. All four were unvaccinated. Their ages range from 4 to 30 years old.
