Centers for Disease Control and Prevention found that the number of reported cases of measles in the United States in 2019 reached 159.
As of February 21, 2019, the CDC identified six outbreaks of reported cases in California, Colorado, Connecticut, Georgia, Illinois, Kentucky, New York, Oregon, Texas and Washington.
CDC said that measles was eliminated by the United States in 2000 but can still be spread through international trips that CDC has contributed to the current outbreaks. The agency recommends vaccinating against measles before traveling internationally.
The CDC also said that "US communities with pockets of unvaccinated people" contribute to the spread of the disease.