Dr. Erica Schwartz's nomination to lead the U.S. Centers for Disease Control and Prevention appears to signal a shift in the Trump administration's approach to vaccines.

Here's what to know about the treatment-resistant strain of Shigella that the CDC is warning the public about.

President Donald Trump’s new pick to lead the US Centers for Disease Control and Prevention is a public health veteran who has led vaccination programs, a new sign of the administration’s shifting views on vaccines.

A new team could mark a shift away from Health Secretary Robert F. Kennedy Jr.'s unpopular vaccine agenda ahead of the midterms.

Officials called the increase "a public health threat," especially since shigella is spread easily from person to person.