A person who was hospitalized with measles has died in West Texas, marking the first death in an outbreak that began late last month.

A person hospitalized with measles in Lubbock, Texas, has died, local officials said Wednesday, marking the first death in an outbreak of the highly contagious virus, which has spread to more than 120 confirmed cases over the last month.

Most kids will recover from the measles, but infection can lead to dangerous complications like pneumonia, blindness, brain swelling and death.