The Texas health department reported 422 cases of measles in the state on Tuesday, an increase from 400 in its previous count on March 28. Separately, New Mexico reported four additional measles cases from its report on March 28,

The Texas public health department is now reporting a total of 422 measles cases in the ongoing outbreak that began in Gaines County. The outbreak has now spread to two additional counties, both in the center of the state.

The US has more measles cases this year than in all of 2024, the CDC said last week. Here’s what else you need to know about the outbreaks.