

Since the start of 2019, the U.S. recorded 940 cases in 26 states, with Maine and New Mexico reporting their first patients in the week ending May 24 and New York continuing to have the highest number of new infections, the Centers for Disease Control and Prevention said Monday.
What's new: In an effort to halt the spread of the extremely contagious disease, the CDC recently threatened to use its Do Not Board list on 8 infected people, as first reported by the Washington Post and confirmed by Axios, in a move that successfully persuaded them from boarding their scheduled flights.
- As the summer season starts with increased travel via airports plus attendance at amusement parks and summer camps, public health officials are concerned that this outbreak will continue spreading.
- CDC says a key focus is to fight misinformation campaigns by anti-vaccination groups.
Go deeper: Follow our measles coverage and sign up for our weekly Axios Science newsletter.