With less than 5% of infected individuals in Texas vaccinated, health officials highlight the urgent need for increased measles immunization rates in communities.

Katherine Wells, the public health director in Lubbock, Texas, describes her fight to stop the largest measles outbreak since 2000, despite a chaotic reorganization of federal health agencies.

Texas health officials reported eight new measles cases on Tuesday, with the outbreak spreading to three new counties. The Texas Department of State Health Services has reported 717 measles cases amid the largest outbreak in the United States in at least 25 years.