The individual—whose name, age, and sex were not released by local authorities—is the second person to die from the virus amid a growing outbreak along the New Mexico-Texas border, sparking widespread concern among doctors that the federal government’s response is simply not enough to halt the spread of measles.

In the midst of a growing measles outbreak in Texas that has killed one child, Health and Human Services Secretary Robert F. Kennedy Jr. has misleadingly focused on vitamin A, including from cod liver oil,

Texas health experts are warning that vitamin A — found in food and in supplements such as cod liver oil — is not an alternative to measles vaccination. They’re urging Texans to vaccinate themselves and their children,