In its latest update, the Texas Department of State Health Services (DSHS) reported 198 cases of measles across West Texas. The number of cases in neighboring New Mexico also tripled in a day to 30, local health officials said.

But startling research about the virus unfortunately tells a new and very different story, recasting what was previously known about how measles works and making clear why the Trump administration’s approach to vaccines is nowhere even close to meeting the moment.