Senators Sandra Williams and Peggy Lehner are sponsoring a bill to remove all non-medical exemptions from vaccine requirements for children attending public schools or child care facilities. The legislation comes amid a measles outbreak in 28 states involving 1,109 people — the largest number since 1992 and since measles were declared eradicated in the U.S. in 2000, according to the CDC. Measles immunization rates above 90 percent help protect the population against the disease. Ohio Department of Health data show Ohio is below that minimum threshold for protection. Read more about the bill in this article from Dayton Daily News.