A confirmed case of measles is reported in suburban Cook County. We have the details on what you need to know about preventing an outbreak.
According to the Centers for Disease Control and Prevention, 68 people from 11 states were reported to have measles from Jan. 1 to Jan. 23, 2015.
In 2014, the U.S had a record number of measles cases, 644 from 27 states, the greatest number since measles elimination was documented in 2000.
View a graph of U.S. measles cases by year from 2001-2014.