The Texas measles outbreak increased by four cases on Tuesday, including the first in the San Antonio area, according to health officials. The Texas Department of State Health Services has now reported 722 cases connected to the outbreak that is centered in the South Plains region.

Last week, the Texas Department of State Health Services reported eight new cases on Tuesday and one new case on Friday. On Tuesday, May 20, DSHS is reporting four additional cases, bringing the total number of cases during the outbreak to 722.

There have been 1,024 confirmed cases of measles across 30 states so far this year, according to the latest update from the CDC on Friday, increasing by 23 cases over the previous week and far surpassing the 285 measles cases in total reported in 2024 (the CDC does not provide data on how many cases are actively infectious).