The number of measles cases in Texas has grown to 422 infections as of April 1, including the first known case in Erath County, about 70 miles southwest of Fort Worth.
The 422 confirmed cases since January is an increase of 400 from Friday.
In the latest data, the Texas Department of State Health Services says five of the people infected had taken at least one vaccine dose. The majority of patients — 310 cases — have been in children. One child who was not vaccinated died in February …