Robert F. Kennedy Jr., the H.H.S. secretary, claimed that doctors had successfully treated children with unconventional remedies, including cod liver oil.

An outbreak of measles in northwest Texas grew to 159 cases on Tuesday, about a dozen more than health officials reported late last week. The latest update from the Texas Department of State Health Services shows the outbreak remains concentrated in school-aged children who have not received the vaccine that protects against measles,

The US Centers for Disease Control and Prevention is on the ground in Texas to respond to the growing measles outbreak. The agency posted on X that it’s partnering with the Texas Department of State Health Services.