At least 58 cases have been confirmed. Health officials — who are scrambling to get a handle on the vaccine-preventable outbreak — suspect 200 to 300 people may be infected.

LUBBOCK, Texas — 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).

In this opinion column, a pediatrics expert and immunization advocate say President Trump is "masking the real issue" with immigration rhetoric.