KEY POINTS
  • The CDC has confirmed 971 cases in the first five months of this year.
  • It's the greatest number of cases since 1992.
  • U.S. health officials declared measles eliminated in the U.S. in 2000.
A nurse holds up a one dose bottle and a prepared syringe of measles, mumps and rubella virus vaccine made by Merck at the Utah County Health Department in Provo, Utah.

The U.S. could lose its measles status as being "eliminated" because outbreaks in the New York City area are pushing the total number of confirmed cases this year near 1,000, according to the Centers for Disease Control and Prevention.

The CDC has confirmed 971 cases during the first five months of this year. It's the highest number since 1992 and risks undoing progress made since U.S. health officials declared the disease eliminated in the country in 2000.