The individual—whose name, age, and sex were not released by local authorities—is the second person to die from the virus amid a growing outbreak along the New Mexico-Texas border, sparking widespread concern among doctors that the federal government’s response is simply not enough to halt the spread of measles.

A measles outbreak in the American southwest has killed a second person, an unvaccinated adult, New Mexico health officials have said. The fatality comes roughly a week after measles took the life of an unvaccinated child in nearby Texas,

Texas Department of State Health Services now reports 198 measles cases identified in West Texas since late January, with 23 patients who have been hospitalized from the disease. A “school-aged” child in Texas last month became the first measles death in the U.

A measles outbreak in the southwestern United States has killed two people and infected more than 200, prompting a top health agency to issue a travel warning. "With spring and summer travel season approaching in the United States,