Shelby County was previously believed to have had a confirmed case of measles, but the health department later said that the illness that had been initially reported as measles "did not meet the definition of the disease.

The Tennessee Department of Health reports six measles cases this year, with a national outbreak totaling over 700 infections. They emphasize quarantine, vaccination, and immediate reporting of suspected cases.

As the measles outbreak spreads from state to state, Tennessee has confirmed four cases in the upper central portion of the state, according to the Tennessee Department of Health.