Texas has reported over 700 measles cases since January, according to the latest numbers from the state’s health department, representing the bulk of measles cases that have been reported in the U.S.

In Gaines County, the epicenter of the outbreak in the state, the number of infections rose by two cases to 408 since the last update, the Texas Department of State Health Services said. With more than 1,

The measles outbreak centered in northwest Texas grew to 728 cases on Friday, a net gain of 10 new infections over the past week, according to the latest update from the Texas Department of State Health Services.