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.

What do you get when you put an anti-vax conspiracy theorist in charge of the U.S. Health Department? A dangerous crackpot who scares the public into thinking that the measles vaccination causes blindness.

Experts say vitamin A can mitigate measles but does not protect those who are unvaccinated from getting the disease, and RFK Jr. says immunization is a "freedom of choice."