Texas' measles outbreak is now at 90 cases, the highest yearly case count since 1992. Experts say the number is likely to grow more. Here's why.

An outbreak of measles has struck the South Plains region of Texas, with 90 cases reported since late January, according to the Texas Department of State Health Services (DSHS). The outbreak has affected seven counties in total,

A fast-growing measles outbreak in West Texas has nearly doubled in just one week, now totaling 90 cases across seven counties and spreading to New Mexico. Earlier this week, the Texas Department of State Health Services confirmed 49 cases in five counties.