Health experts say there ought to be no outbreaks in the United States. “Each outbreak signifies a lapse in our public health defenses and poses serious risks, especially to children,” said Dr. Jerome Adams, who served as U.S. Surgeon General during the first Trump administration.

A growing measles outbreak in Texas, where one unvaccinated child died and nearly 20 others have been hospitalized with serious complications, marks the first major test for U.S. Health Secretary Robert F.