After six months of turmoil, the loss of the new director and a round of high-profile resignations marks a new low, some employees said.

The firing of the C.D.C. director is the latest in a series of questionable decisions.

After six months of turmoil, the loss of the new director and a round of high-profile resignations marks a new low, some employees said.

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.”