Whatever you call it, we can all agree this doesn’t feel good.

A decade ago, I made a decision about my daughter’s education that I hoped would challenge New York City’s separate and unequal school system. Now 16, she thinks I made the wrong choice.

© Wayne Lawrence for The New York Times

Ending routine vaccination for hepatitis B at birth, as the health secretary has recommended, would increase the number of chronic infections by as much as 83 percent, a team of researchers reported.

© Tierney L. Cross/The New York Times

Days after the shooting at Silver Rail Elementary School, the community is questioning its resilience — and safety.

© Jordan Gale for The New York Times

The health secretary is quietly taking steps that public health experts fear will reduce immunization rates further.

© Annabelle Gordon/Reuters