Robert F. Kennedy Jr., secretary of the Department of Health and Human Services (HHS), said the measles outbreak in west Texas is a “call to action” as he encouraged parents to consider whether to get their children vaccinated.

Health Secretary Robert F. Kennedy Jr. publicly backed the measles vaccine Sunday amid an outbreak of the disease in Texas that has already killed one child.

Vaccination eliminated measles from the U.S. 25 years ago. But it can still spread in pockets where vaccination rates are low, like the west Texas county with a current outbreak. Here's how fast.

The number of people with measles in Texas rises to 146 in an outbreak that led to the death of an unvaccinated child.

As the measles outbreak in West Texas continues to grow, North Texas doctors say they’re fielding a growing number of questions from concerned parents. Dr. Christopher Dreiling, a pediatrician at Pediatric Associates of Dallas, said his office has had “dozens and dozens” of measles inquiries.

First death from measles in Texas confirmed and case numbers are rising. Will measles outbreak spread to Louisiana? Here's how to avoid the virus.

Kennedy's acknowledgement of the value of the measles vaccine comes as the outbreak that began in Texas continues to grow. So far, nearly 150 cases and one death—the first U.S. fatality from the disease in more than 10 years—have been confirmed. It's the largest measles outbreak in the U.S. in decades.

With growing cases of measles in Texas and Lubbock reporting the states first death, local health officials hosted a news conference offering updates.