The U.S. narrowly eked out a measles win, keeping elimination status
International travelers may still import the virus, but a nearly yearlong outbreak is over
![measles vaccine](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/10/100219_ac_measles_feat.jpg?fit=1030%2C574&ssl=1)
Most of the measles cases in 2019 occurred in people who were not vaccinated or did not know whether they had been. Around 95 percent of a community must be vaccinated against measles to prevent an outbreak.
Airman 1st Class Matthew Lotz/U.S. Air Force