With nearly 800 cases and rising concern across the Southwest, experts warn the U.S. could lose measles eradication status without higher immunization rates.

Canada has lost its measles-free status following a year of ongoing measles transmission, the Pan American Health ...

Texas this year has been the center of the nation's largest measles outbreak in more than two decades, as a mostly eradicated disease has sickened more than 700 in the state, sent dozens to hospitals ...

The area of Short Creek, which bridges the Arizona-Utah border, has seen nearly 160 measles cases and counting.

A commission in charge of monitoring efforts to eliminate measles from the Americas has decided that the region can no longer ...

The virus has been spreading for nearly a year in the U.S. — a key factor in determining whether a country loses its measles ...

Canada has lost its measles elimination status after struggling to contain a year-long outbreak, the country’s public health ...

International health experts say Canada is no longer measles-free because of ongoing outbreaks, as childhood vaccination ...