Agency leaders sound the alarm.

Readers react to the firing of the director of the Centers for Disease Control and Prevention. Also: facing U.S. history without shame; shutting ‘Alligator Alcatraz.”

Robert F. Kennedy Jr.’s assault may have dealt lasting damage to the agency, experts fear, with harsh consequences for public health.

The health secretary is endangering the lives of American people now and into the future.

Agency leaders sound the alarm.