(Ars Technica) – An outbreak of measles in one of Texas’ least vaccinated counties continues to rapidly expand, with officials reporting 24 cases Tuesday, up from just nine confirmed on Friday.

According to an update by the Texas Department of State Health Services (DSHS), all 24 cases identified in the two-week-old outbreak are in unvaccinated people. Nine of the patients (37.5 percent) required hospitalization. (Read More)