North America has three other large outbreaks. The longest, in Ontario, Canada, has resulted in 2,276 cases from mid-October ...

North Dakota has reported its first case of measles in more than a month, just as the state hit a milestone that declared the ...

Health officials in Illinois and North Dakota say their states’ measles outbreaks are over, pointing to a continuing slowdown of measles spread in the U.S. during vaccine-preventable disease’s ...

Health officials in Illinois and North Dakota say their measles outbreaks are over. The U.S. added 21 new cases since July 9. States with active outbreaks include Arizona, Colorado, Georgia, Iowa, ...